[svn:parrot] r43175 - in trunk: . compilers/imcc config/auto config/gen/makefiles include/parrot lib/Parrot/OpTrans lib/Parrot/Ops2c lib/Parrot/Pmc2c src src/call src/interp src/pmc src/runcore t/native_pbc t/op t/pmc tools/build

bacek at svn.parrot.org bacek at svn.parrot.org
Sun Dec 20 12:30:42 UTC 2009


Author: bacek
Date: Sun Dec 20 12:30:38 2009
New Revision: 43175
URL: https://trac.parrot.org/parrot/changeset/43175

Log:
Merge context_unify3_simple branch back to trunk.

Added:
   trunk/src/pmc/callcontext.pmc
      - copied, changed from r43174, trunk/src/pmc/callsignature.pmc
   trunk/t/pmc/callcontext.t
      - copied, changed from r43174, trunk/t/pmc/callsignature.t
Deleted:
   trunk/src/pmc/callsignature.pmc
   trunk/src/pmc/context.pmc
   trunk/t/pmc/callsignature.t
Modified:
   trunk/MANIFEST
   trunk/MANIFEST.generated
   trunk/PBC_COMPAT
   trunk/compilers/imcc/imcc.y
   trunk/compilers/imcc/imcparser.c
   trunk/compilers/imcc/imcparser.h
   trunk/compilers/imcc/instructions.c
   trunk/compilers/imcc/main.c
   trunk/compilers/imcc/optimizer.c
   trunk/compilers/imcc/parser_util.c
   trunk/compilers/imcc/pbc.c
   trunk/config/auto/pmc.pm
   trunk/config/gen/makefiles/root.in
   trunk/include/parrot/call.h
   trunk/include/parrot/context.h
   trunk/lib/Parrot/OpTrans/C.pm
   trunk/lib/Parrot/Ops2c/Utils.pm
   trunk/lib/Parrot/Pmc2c/PMCEmitter.pm
   trunk/src/call/args.c
   trunk/src/call/context.c
   trunk/src/call/context_accessors.c
   trunk/src/call/pcc.c
   trunk/src/debug.c
   trunk/src/dynext.c
   trunk/src/embed.c
   trunk/src/exceptions.c
   trunk/src/extend.c
   trunk/src/global.c
   trunk/src/global_setup.c
   trunk/src/hll.c
   trunk/src/interp/inter_create.c
   trunk/src/interp/inter_misc.c
   trunk/src/key.c
   trunk/src/multidispatch.c
   trunk/src/oo.c
   trunk/src/packfile.c
   trunk/src/pmc.c
   trunk/src/pmc/class.pmc
   trunk/src/pmc/coroutine.pmc
   trunk/src/pmc/multisub.pmc
   trunk/src/pmc/sub.pmc
   trunk/src/pmc_freeze.c
   trunk/src/runcore/cores.c
   trunk/src/runcore/main.c
   trunk/src/runcore/profiling.c
   trunk/src/runcore/trace.c
   trunk/src/scheduler.c
   trunk/src/sub.c
   trunk/src/warnings.c
   trunk/t/native_pbc/annotations.pbc
   trunk/t/native_pbc/integer_1.pbc
   trunk/t/native_pbc/number_1.pbc
   trunk/t/native_pbc/string_1.pbc
   trunk/t/op/cc_params.t
   trunk/t/pmc/context.t
   trunk/t/pmc/parrotinterpreter.t
   trunk/tools/build/nativecall.pl

Modified: trunk/MANIFEST
==============================================================================
--- trunk/MANIFEST	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/MANIFEST	Sun Dec 20 12:30:38 2009	(r43175)
@@ -1402,12 +1402,11 @@
 src/pmc/bigint.pmc                                          [devel]src
 src/pmc/bignum.pmc                                          [devel]src
 src/pmc/boolean.pmc                                         [devel]src
-src/pmc/callsignature.pmc                                   [devel]src
+src/pmc/callcontext.pmc                                     [devel]src
 src/pmc/capture.pmc                                         [devel]src
 src/pmc/class.pmc                                           [devel]src
 src/pmc/codestring.pmc                                      [devel]src
 src/pmc/complex.pmc                                         [devel]src
-src/pmc/context.pmc                                         [devel]src
 src/pmc/continuation.pmc                                    [devel]src
 src/pmc/coroutine.pmc                                       [devel]src
 src/pmc/cpointer.pmc                                        [devel]src
@@ -1865,7 +1864,7 @@
 t/pmc/bigint.t                                              [test]
 t/pmc/bignum.t                                              [test]
 t/pmc/boolean.t                                             [test]
-t/pmc/callsignature.t                                       [test]
+t/pmc/callcontext.t                                         [test]
 t/pmc/capture.t                                             [test]
 t/pmc/class.t                                               [test]
 t/pmc/codestring.t                                          [test]

Modified: trunk/MANIFEST.generated
==============================================================================
--- trunk/MANIFEST.generated	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/MANIFEST.generated	Sun Dec 20 12:30:38 2009	(r43175)
@@ -236,7 +236,7 @@
 src/pmc/object.dump                               [devel]src
 include/pmc/pmc_boolean.h                         [devel]include
 include/pmc/pmc_class.h                           [devel]include
-include/pmc/pmc_callsignature.h                   [devel]include
+include/pmc/pmc_callcontext.h                     [devel]include
 include/pmc/pmc_continuation.h                    [devel]include
 include/pmc/pmc_context.h                         [devel]include
 include/pmc/pmc_default.h                         [devel]include

Modified: trunk/PBC_COMPAT
==============================================================================
--- trunk/PBC_COMPAT	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/PBC_COMPAT	Sun Dec 20 12:30:38 2009	(r43175)
@@ -27,6 +27,7 @@
 
 # please insert tab separated entries at the top of the list
 
+5.6	2009.12.12	bacek	merge CallSignature and Context
 5.4	2009.12.02	bacek	remove CallSignatureReturns
 5.3	2009.10.23	bacek	add CallSignatureReturns
 5.2	2009.09.16	darbelo	remove pic.ops

Modified: trunk/compilers/imcc/imcc.y
==============================================================================
--- trunk/compilers/imcc/imcc.y	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/compilers/imcc/imcc.y	Sun Dec 20 12:30:38 2009	(r43175)
@@ -21,7 +21,7 @@
 #define PARSER_MAIN
 #include "imc.h"
 #include "parrot/dynext.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "pbc.h"
 #include "parser.h"
 #include "optimizer.h"

Modified: trunk/compilers/imcc/imcparser.c
==============================================================================
--- trunk/compilers/imcc/imcparser.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/compilers/imcc/imcparser.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -9,27 +9,26 @@
  */
 /* HEADERIZER HFILE: none */
 /* HEADERIZER STOP */
-/* A Bison parser, made by GNU Bison 2.3.  */
 
-/* Skeleton implementation for Bison's Yacc-like parsers in C
+/* A Bison parser, made by GNU Bison 2.4.1.  */
 
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+   
+      Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
-
-   This program is free software; you can redistribute it and/or modify
+   
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+   
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-
+   
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* As a special exception, you may create a larger work that contains
    part or all of the Bison parser skeleton and distribute that work
@@ -40,7 +39,7 @@
    special exception, which will cause the skeleton and the resulting
    Bison output files to be licensed under the GNU General Public
    License without this special exception.
-
+   
    This special exception was added by the Free Software Foundation in
    version 2.2 of Bison.  */
 
@@ -58,7 +57,7 @@
 #define YYBISON 1
 
 /* Bison version.  */
-#define YYBISON_VERSION "2.3"
+#define YYBISON_VERSION "2.4.1"
 
 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"
@@ -66,263 +65,20 @@
 /* Pure parsers.  */
 #define YYPURE 1
 
-/* Using locations.  */
-#define YYLSP_NEEDED 0
-
+/* Push parsers.  */
+#define YYPUSH 0
 
+/* Pull parsers.  */
+#define YYPULL 1
 
-/* Tokens.  */
-#ifndef YYTOKENTYPE
-# define YYTOKENTYPE
-   /* Put the tokens into the symbol table, so that GDB and other debuggers
-      know about them.  */
-   enum yytokentype {
-     LOW_PREC = 258,
-     PARAM = 259,
-     HLL = 260,
-     TK_LINE = 261,
-     TK_FILE = 262,
-     GOTO = 263,
-     ARG = 264,
-     IF = 265,
-     UNLESS = 266,
-     PNULL = 267,
-     SET_RETURN = 268,
-     SET_YIELD = 269,
-     ADV_FLAT = 270,
-     ADV_SLURPY = 271,
-     ADV_OPTIONAL = 272,
-     ADV_OPT_FLAG = 273,
-     ADV_NAMED = 274,
-     ADV_ARROW = 275,
-     NEW = 276,
-     ADV_INVOCANT = 277,
-     ADV_CALL_SIG = 278,
-     NAMESPACE = 279,
-     DOT_METHOD = 280,
-     SUB = 281,
-     SYM = 282,
-     LOCAL = 283,
-     LEXICAL = 284,
-     CONST = 285,
-     ANNOTATE = 286,
-     INC = 287,
-     DEC = 288,
-     GLOBAL_CONST = 289,
-     PLUS_ASSIGN = 290,
-     MINUS_ASSIGN = 291,
-     MUL_ASSIGN = 292,
-     DIV_ASSIGN = 293,
-     CONCAT_ASSIGN = 294,
-     BAND_ASSIGN = 295,
-     BOR_ASSIGN = 296,
-     BXOR_ASSIGN = 297,
-     FDIV = 298,
-     FDIV_ASSIGN = 299,
-     MOD_ASSIGN = 300,
-     SHR_ASSIGN = 301,
-     SHL_ASSIGN = 302,
-     SHR_U_ASSIGN = 303,
-     SHIFT_LEFT = 304,
-     SHIFT_RIGHT = 305,
-     INTV = 306,
-     FLOATV = 307,
-     STRINGV = 308,
-     PMCV = 309,
-     LOG_XOR = 310,
-     RELOP_EQ = 311,
-     RELOP_NE = 312,
-     RELOP_GT = 313,
-     RELOP_GTE = 314,
-     RELOP_LT = 315,
-     RELOP_LTE = 316,
-     RESULT = 317,
-     RETURN = 318,
-     TAILCALL = 319,
-     YIELDT = 320,
-     GET_RESULTS = 321,
-     POW = 322,
-     SHIFT_RIGHT_U = 323,
-     LOG_AND = 324,
-     LOG_OR = 325,
-     COMMA = 326,
-     ESUB = 327,
-     DOTDOT = 328,
-     PCC_BEGIN = 329,
-     PCC_END = 330,
-     PCC_CALL = 331,
-     PCC_SUB = 332,
-     PCC_BEGIN_RETURN = 333,
-     PCC_END_RETURN = 334,
-     PCC_BEGIN_YIELD = 335,
-     PCC_END_YIELD = 336,
-     NCI_CALL = 337,
-     METH_CALL = 338,
-     INVOCANT = 339,
-     MAIN = 340,
-     LOAD = 341,
-     INIT = 342,
-     IMMEDIATE = 343,
-     POSTCOMP = 344,
-     METHOD = 345,
-     ANON = 346,
-     OUTER = 347,
-     NEED_LEX = 348,
-     MULTI = 349,
-     VTABLE_METHOD = 350,
-     LOADLIB = 351,
-     SUB_INSTANCE_OF = 352,
-     SUBID = 353,
-     NS_ENTRY = 354,
-     UNIQUE_REG = 355,
-     LABEL = 356,
-     EMIT = 357,
-     EOM = 358,
-     IREG = 359,
-     NREG = 360,
-     SREG = 361,
-     PREG = 362,
-     IDENTIFIER = 363,
-     REG = 364,
-     MACRO = 365,
-     ENDM = 366,
-     STRINGC = 367,
-     INTC = 368,
-     FLOATC = 369,
-     USTRINGC = 370,
-     PARROT_OP = 371,
-     VAR = 372,
-     LINECOMMENT = 373,
-     FILECOMMENT = 374,
-     DOT = 375,
-     CONCAT = 376
-   };
-#endif
-/* Tokens.  */
-#define LOW_PREC 258
-#define PARAM 259
-#define HLL 260
-#define TK_LINE 261
-#define TK_FILE 262
-#define GOTO 263
-#define ARG 264
-#define IF 265
-#define UNLESS 266
-#define PNULL 267
-#define SET_RETURN 268
-#define SET_YIELD 269
-#define ADV_FLAT 270
-#define ADV_SLURPY 271
-#define ADV_OPTIONAL 272
-#define ADV_OPT_FLAG 273
-#define ADV_NAMED 274
-#define ADV_ARROW 275
-#define NEW 276
-#define ADV_INVOCANT 277
-#define ADV_CALL_SIG 278
-#define NAMESPACE 279
-#define DOT_METHOD 280
-#define SUB 281
-#define SYM 282
-#define LOCAL 283
-#define LEXICAL 284
-#define CONST 285
-#define ANNOTATE 286
-#define INC 287
-#define DEC 288
-#define GLOBAL_CONST 289
-#define PLUS_ASSIGN 290
-#define MINUS_ASSIGN 291
-#define MUL_ASSIGN 292
-#define DIV_ASSIGN 293
-#define CONCAT_ASSIGN 294
-#define BAND_ASSIGN 295
-#define BOR_ASSIGN 296
-#define BXOR_ASSIGN 297
-#define FDIV 298
-#define FDIV_ASSIGN 299
-#define MOD_ASSIGN 300
-#define SHR_ASSIGN 301
-#define SHL_ASSIGN 302
-#define SHR_U_ASSIGN 303
-#define SHIFT_LEFT 304
-#define SHIFT_RIGHT 305
-#define INTV 306
-#define FLOATV 307
-#define STRINGV 308
-#define PMCV 309
-#define LOG_XOR 310
-#define RELOP_EQ 311
-#define RELOP_NE 312
-#define RELOP_GT 313
-#define RELOP_GTE 314
-#define RELOP_LT 315
-#define RELOP_LTE 316
-#define RESULT 317
-#define RETURN 318
-#define TAILCALL 319
-#define YIELDT 320
-#define GET_RESULTS 321
-#define POW 322
-#define SHIFT_RIGHT_U 323
-#define LOG_AND 324
-#define LOG_OR 325
-#define COMMA 326
-#define ESUB 327
-#define DOTDOT 328
-#define PCC_BEGIN 329
-#define PCC_END 330
-#define PCC_CALL 331
-#define PCC_SUB 332
-#define PCC_BEGIN_RETURN 333
-#define PCC_END_RETURN 334
-#define PCC_BEGIN_YIELD 335
-#define PCC_END_YIELD 336
-#define NCI_CALL 337
-#define METH_CALL 338
-#define INVOCANT 339
-#define MAIN 340
-#define LOAD 341
-#define INIT 342
-#define IMMEDIATE 343
-#define POSTCOMP 344
-#define METHOD 345
-#define ANON 346
-#define OUTER 347
-#define NEED_LEX 348
-#define MULTI 349
-#define VTABLE_METHOD 350
-#define LOADLIB 351
-#define SUB_INSTANCE_OF 352
-#define SUBID 353
-#define NS_ENTRY 354
-#define UNIQUE_REG 355
-#define LABEL 356
-#define EMIT 357
-#define EOM 358
-#define IREG 359
-#define NREG 360
-#define SREG 361
-#define PREG 362
-#define IDENTIFIER 363
-#define REG 364
-#define MACRO 365
-#define ENDM 366
-#define STRINGC 367
-#define INTC 368
-#define FLOATC 369
-#define USTRINGC 370
-#define PARROT_OP 371
-#define VAR 372
-#define LINECOMMENT 373
-#define FILECOMMENT 374
-#define DOT 375
-#define CONCAT 376
-
+/* Using locations.  */
+#define YYLSP_NEEDED 0
 
 
 
 /* Copy the first part of user declarations.  */
+
+/* Line 189 of yacc.c  */
 #line 1 "compilers/imcc/imcc.y"
 
 /*
@@ -347,7 +103,7 @@
 #define PARSER_MAIN
 #include "imc.h"
 #include "parrot/dynext.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "pbc.h"
 #include "parser.h"
 #include "optimizer.h"
@@ -778,18 +534,18 @@
     }
 
     switch (type_enum) {
-        case enum_class_Sub:
-        case enum_class_Coroutine:
-            rhs = mk_const(interp, name, 'p');
-
-            if (!ascii)
-                rhs->type |= VT_ENCODED;
-
-            rhs->usage    |= U_FIXUP | U_SUBID_LOOKUP;
-            break;
-        default:
-            rhs = mk_const(interp, name, 'P');
-            break;
+      case enum_class_Sub:
+      case enum_class_Coroutine:
+        rhs = mk_const(interp, name, 'p');
+
+        if (!ascii)
+            rhs->type |= VT_ENCODED;
+
+        rhs->usage    |= U_FIXUP | U_SUBID_LOOKUP;
+        break;
+      default:
+        rhs = mk_const(interp, name, 'P');
+        break;
     }
 
     r[1]          = rhs;
@@ -1382,49 +1138,308 @@
 
 
 
+/* Line 189 of yacc.c  */
+#line 1132 "compilers/imcc/imcparser.c"
+
 /* Enabling traces.  */
 #ifndef YYDEBUG
 # define YYDEBUG 0
 #endif
 
-/* Enabling verbose error messages.  */
-#ifdef YYERROR_VERBOSE
-# undef YYERROR_VERBOSE
-# define YYERROR_VERBOSE 1
-#else
-# define YYERROR_VERBOSE 0
-#endif
+/* Enabling verbose error messages.  */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* Enabling the token table.  */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 0
+#endif
+
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     LOW_PREC = 258,
+     PARAM = 259,
+     HLL = 260,
+     TK_LINE = 261,
+     TK_FILE = 262,
+     GOTO = 263,
+     ARG = 264,
+     IF = 265,
+     UNLESS = 266,
+     PNULL = 267,
+     SET_RETURN = 268,
+     SET_YIELD = 269,
+     ADV_FLAT = 270,
+     ADV_SLURPY = 271,
+     ADV_OPTIONAL = 272,
+     ADV_OPT_FLAG = 273,
+     ADV_NAMED = 274,
+     ADV_ARROW = 275,
+     NEW = 276,
+     ADV_INVOCANT = 277,
+     ADV_CALL_SIG = 278,
+     NAMESPACE = 279,
+     DOT_METHOD = 280,
+     SUB = 281,
+     SYM = 282,
+     LOCAL = 283,
+     LEXICAL = 284,
+     CONST = 285,
+     ANNOTATE = 286,
+     INC = 287,
+     DEC = 288,
+     GLOBAL_CONST = 289,
+     PLUS_ASSIGN = 290,
+     MINUS_ASSIGN = 291,
+     MUL_ASSIGN = 292,
+     DIV_ASSIGN = 293,
+     CONCAT_ASSIGN = 294,
+     BAND_ASSIGN = 295,
+     BOR_ASSIGN = 296,
+     BXOR_ASSIGN = 297,
+     FDIV = 298,
+     FDIV_ASSIGN = 299,
+     MOD_ASSIGN = 300,
+     SHR_ASSIGN = 301,
+     SHL_ASSIGN = 302,
+     SHR_U_ASSIGN = 303,
+     SHIFT_LEFT = 304,
+     SHIFT_RIGHT = 305,
+     INTV = 306,
+     FLOATV = 307,
+     STRINGV = 308,
+     PMCV = 309,
+     LOG_XOR = 310,
+     RELOP_EQ = 311,
+     RELOP_NE = 312,
+     RELOP_GT = 313,
+     RELOP_GTE = 314,
+     RELOP_LT = 315,
+     RELOP_LTE = 316,
+     RESULT = 317,
+     RETURN = 318,
+     TAILCALL = 319,
+     YIELDT = 320,
+     GET_RESULTS = 321,
+     POW = 322,
+     SHIFT_RIGHT_U = 323,
+     LOG_AND = 324,
+     LOG_OR = 325,
+     COMMA = 326,
+     ESUB = 327,
+     DOTDOT = 328,
+     PCC_BEGIN = 329,
+     PCC_END = 330,
+     PCC_CALL = 331,
+     PCC_SUB = 332,
+     PCC_BEGIN_RETURN = 333,
+     PCC_END_RETURN = 334,
+     PCC_BEGIN_YIELD = 335,
+     PCC_END_YIELD = 336,
+     NCI_CALL = 337,
+     METH_CALL = 338,
+     INVOCANT = 339,
+     MAIN = 340,
+     LOAD = 341,
+     INIT = 342,
+     IMMEDIATE = 343,
+     POSTCOMP = 344,
+     METHOD = 345,
+     ANON = 346,
+     OUTER = 347,
+     NEED_LEX = 348,
+     MULTI = 349,
+     VTABLE_METHOD = 350,
+     LOADLIB = 351,
+     SUB_INSTANCE_OF = 352,
+     SUBID = 353,
+     NS_ENTRY = 354,
+     UNIQUE_REG = 355,
+     LABEL = 356,
+     EMIT = 357,
+     EOM = 358,
+     IREG = 359,
+     NREG = 360,
+     SREG = 361,
+     PREG = 362,
+     IDENTIFIER = 363,
+     REG = 364,
+     MACRO = 365,
+     ENDM = 366,
+     STRINGC = 367,
+     INTC = 368,
+     FLOATC = 369,
+     USTRINGC = 370,
+     PARROT_OP = 371,
+     VAR = 372,
+     LINECOMMENT = 373,
+     FILECOMMENT = 374,
+     DOT = 375,
+     CONCAT = 376
+   };
+#endif
+/* Tokens.  */
+#define LOW_PREC 258
+#define PARAM 259
+#define HLL 260
+#define TK_LINE 261
+#define TK_FILE 262
+#define GOTO 263
+#define ARG 264
+#define IF 265
+#define UNLESS 266
+#define PNULL 267
+#define SET_RETURN 268
+#define SET_YIELD 269
+#define ADV_FLAT 270
+#define ADV_SLURPY 271
+#define ADV_OPTIONAL 272
+#define ADV_OPT_FLAG 273
+#define ADV_NAMED 274
+#define ADV_ARROW 275
+#define NEW 276
+#define ADV_INVOCANT 277
+#define ADV_CALL_SIG 278
+#define NAMESPACE 279
+#define DOT_METHOD 280
+#define SUB 281
+#define SYM 282
+#define LOCAL 283
+#define LEXICAL 284
+#define CONST 285
+#define ANNOTATE 286
+#define INC 287
+#define DEC 288
+#define GLOBAL_CONST 289
+#define PLUS_ASSIGN 290
+#define MINUS_ASSIGN 291
+#define MUL_ASSIGN 292
+#define DIV_ASSIGN 293
+#define CONCAT_ASSIGN 294
+#define BAND_ASSIGN 295
+#define BOR_ASSIGN 296
+#define BXOR_ASSIGN 297
+#define FDIV 298
+#define FDIV_ASSIGN 299
+#define MOD_ASSIGN 300
+#define SHR_ASSIGN 301
+#define SHL_ASSIGN 302
+#define SHR_U_ASSIGN 303
+#define SHIFT_LEFT 304
+#define SHIFT_RIGHT 305
+#define INTV 306
+#define FLOATV 307
+#define STRINGV 308
+#define PMCV 309
+#define LOG_XOR 310
+#define RELOP_EQ 311
+#define RELOP_NE 312
+#define RELOP_GT 313
+#define RELOP_GTE 314
+#define RELOP_LT 315
+#define RELOP_LTE 316
+#define RESULT 317
+#define RETURN 318
+#define TAILCALL 319
+#define YIELDT 320
+#define GET_RESULTS 321
+#define POW 322
+#define SHIFT_RIGHT_U 323
+#define LOG_AND 324
+#define LOG_OR 325
+#define COMMA 326
+#define ESUB 327
+#define DOTDOT 328
+#define PCC_BEGIN 329
+#define PCC_END 330
+#define PCC_CALL 331
+#define PCC_SUB 332
+#define PCC_BEGIN_RETURN 333
+#define PCC_END_RETURN 334
+#define PCC_BEGIN_YIELD 335
+#define PCC_END_YIELD 336
+#define NCI_CALL 337
+#define METH_CALL 338
+#define INVOCANT 339
+#define MAIN 340
+#define LOAD 341
+#define INIT 342
+#define IMMEDIATE 343
+#define POSTCOMP 344
+#define METHOD 345
+#define ANON 346
+#define OUTER 347
+#define NEED_LEX 348
+#define MULTI 349
+#define VTABLE_METHOD 350
+#define LOADLIB 351
+#define SUB_INSTANCE_OF 352
+#define SUBID 353
+#define NS_ENTRY 354
+#define UNIQUE_REG 355
+#define LABEL 356
+#define EMIT 357
+#define EOM 358
+#define IREG 359
+#define NREG 360
+#define SREG 361
+#define PREG 362
+#define IDENTIFIER 363
+#define REG 364
+#define MACRO 365
+#define ENDM 366
+#define STRINGC 367
+#define INTC 368
+#define FLOATC 369
+#define USTRINGC 370
+#define PARROT_OP 371
+#define VAR 372
+#define LINECOMMENT 373
+#define FILECOMMENT 374
+#define DOT 375
+#define CONCAT 376
+
+
 
-/* Enabling the token table.  */
-#ifndef YYTOKEN_TABLE
-# define YYTOKEN_TABLE 0
-#endif
 
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
-#line 1059 "compilers/imcc/imcc.y"
 {
+
+/* Line 214 of yacc.c  */
+#line 1059 "compilers/imcc/imcc.y"
+
     IdList * idlist;
     int t;
     char * s;
     SymReg * sr;
     Instruction *i;
-}
-/* Line 187 of yacc.c.  */
-#line 1404 "compilers/imcc/imcparser.c"
-	YYSTYPE;
+
+
+
+/* Line 214 of yacc.c  */
+#line 1420 "compilers/imcc/imcparser.c"
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
-# define YYSTYPE_IS_TRIVIAL 1
 #endif
 
 
-
 /* Copy the second part of user declarations.  */
 
 
-/* Line 216 of yacc.c.  */
-#line 1417 "compilers/imcc/imcparser.c"
+/* Line 264 of yacc.c  */
+#line 1432 "compilers/imcc/imcparser.c"
 
 #ifdef short
 # undef short
@@ -1499,14 +1514,14 @@
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static int
-YYID (int i)
+YYID (int yyi)
 #else
 static int
-YYID (i)
-    int i;
+YYID (yyi)
+    int yyi;
 #endif
 {
-  return i;
+  return yyi;
 }
 #endif
 
@@ -1587,9 +1602,9 @@
 /* A type that is properly aligned for any stack member.  */
 union yyalloc
 {
-  yytype_int16 yyss;
-  YYSTYPE yyvs;
-  };
+  yytype_int16 yyss_alloc;
+  YYSTYPE yyvs_alloc;
+};
 
 /* The size of the maximum gap between one aligned stack and the next.  */
 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
@@ -1623,12 +1638,12 @@
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */
-# define YYSTACK_RELOCATE(Stack)					\
+# define YYSTACK_RELOCATE(Stack_alloc, Stack)				\
     do									\
       {									\
 	YYSIZE_T yynewbytes;						\
-	YYCOPY (&yyptr->Stack, Stack, yysize);				\
-	Stack = &yyptr->Stack;						\
+	YYCOPY (&yyptr->Stack_alloc, Stack, yysize);			\
+	Stack = &yyptr->Stack_alloc;					\
 	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
 	yyptr += yynewbytes / sizeof (*yyptr);				\
       }									\
@@ -1908,30 +1923,31 @@
   "EMIT", "EOM", "IREG", "NREG", "SREG", "PREG", "IDENTIFIER", "REG",
   "MACRO", "ENDM", "STRINGC", "INTC", "FLOATC", "USTRINGC", "PARROT_OP",
   "VAR", "LINECOMMENT", "FILECOMMENT", "DOT", "CONCAT", "'='", "'['",
-  "']'", "'('", "')'", "'new'", "'!'", "'~'", "'-'", "'+'", "'*'", "'/'",
+  "']'", "'('", "')'", "'n'", "'!'", "'~'", "'-'", "'+'", "'*'", "'/'",
   "'%'", "'&'", "'|'", "';'", "$accept", "program", "compilation_units",
   "compilation_unit", "pragma", "location_directive", "annotate_directive",
-  "hll_def", "constdef", "@1", "pmc_const", "@2", "@3", "any_string",
-  "pasmcode", "pasmline", "pasm_inst", "@4", "@5", "pasm_args", "emit",
-  "@6", "opt_pasmcode", "class_namespace", "maybe_ns", "sub", "@7", "@8",
-  "@9", "sub_params", "sub_param", "@10", "sub_param_type_def", "multi",
-  "outer", "vtable", "method", "ns_entry_name", "instanceof", "subid",
-  "multi_types", "multi_type", "sub_body", "pcc_sub_call", "@11",
+  "hll_def", "constdef", "$@1", "pmc_const", "$@2", "$@3", "any_string",
+  "pasmcode", "pasmline", "pasm_inst", "$@4", "$@5", "pasm_args", "emit",
+  "$@6", "opt_pasmcode", "class_namespace", "maybe_ns", "sub", "$@7",
+  "$@8", "$@9", "sub_params", "sub_param", "$@10", "sub_param_type_def",
+  "multi", "outer", "vtable", "method", "ns_entry_name", "instanceof",
+  "subid", "multi_types", "multi_type", "sub_body", "pcc_sub_call", "@11",
   "opt_label", "opt_invocant", "sub_proto", "sub_proto_list", "proto",
-  "pcc_call", "pcc_args", "pcc_arg", "pcc_results", "pcc_result", "@12",
-  "paramtype_list", "paramtype", "pcc_ret", "@13", "pcc_yield", "@14",
+  "pcc_call", "pcc_args", "pcc_arg", "pcc_results", "pcc_result", "$@12",
+  "paramtype_list", "paramtype", "pcc_ret", "$@13", "pcc_yield", "$@14",
   "pcc_returns", "pcc_yields", "pcc_return", "pcc_set_yield",
-  "pcc_return_many", "@15", "return_or_yield", "var_returns", "statements",
-  "helper_clear_state", "statement", "labels", "_labels", "label",
-  "instruction", "id_list", "id_list_id", "opt_unique_reg", "labeled_inst",
-  "@16", "@17", "@18", "type", "classname", "assignment", "@19", "un_op",
-  "bin_op", "get_results", "@20", "op_assign", "assign_op", "func_assign",
-  "the_sub", "sub_call", "@21", "arglist", "arg", "argtype_list",
-  "argtype", "result", "targetlist", "conditional_statement",
-  "unless_statement", "if_statement", "comma_or_goto", "relop", "target",
-  "vars", "_vars", "_var_or_i", "sub_label_op_c", "sub_label_op",
-  "label_op", "var_or_i", "var", "keylist", "@22", "keylist_force", "@23",
-  "_keylist", "key", "reg", "const", 0
+  "pcc_return_many", "$@15", "return_or_yield", "var_returns",
+  "statements", "helper_clear_state", "statement", "labels", "_labels",
+  "label", "instruction", "id_list", "id_list_id", "opt_unique_reg",
+  "labeled_inst", "$@16", "$@17", "$@18", "type", "classname",
+  "assignment", "@19", "un_op", "bin_op", "get_results", "@20",
+  "op_assign", "assign_op", "func_assign", "the_sub", "sub_call", "@21",
+  "arglist", "arg", "argtype_list", "argtype", "result", "targetlist",
+  "conditional_statement", "unless_statement", "if_statement",
+  "comma_or_goto", "relop", "target", "vars", "_vars", "_var_or_i",
+  "sub_label_op_c", "sub_label_op", "label_op", "var_or_i", "var",
+  "keylist", "$@22", "keylist_force", "$@23", "_keylist", "key", "reg",
+  "const", 0
 };
 #endif
 
@@ -2589,17 +2605,20 @@
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
+yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
 #else
 static void
-yy_stack_print (bottom, top)
-    yytype_int16 *bottom;
-    yytype_int16 *top;
+yy_stack_print (yybottom, yytop)
+    yytype_int16 *yybottom;
+    yytype_int16 *yytop;
 #endif
 {
   YYFPRINTF (stderr, "Stack now");
-  for (; bottom <= top; ++bottom)
-    YYFPRINTF (stderr, " %d", *bottom);
+  for (; yybottom <= yytop; yybottom++)
+    {
+      int yybot = *yybottom;
+      YYFPRINTF (stderr, " %d", yybot);
+    }
   YYFPRINTF (stderr, "\n");
 }
 
@@ -2635,11 +2654,11 @@
   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {
-      fprintf (stderr, "   $%d = ", yyi + 1);
+      YYFPRINTF (stderr, "   $%d = ", yyi + 1);
       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
 		       &(yyvsp[(yyi + 1) - (yynrhs)])
 		       		       , yyscanner, interp);
-      fprintf (stderr, "\n");
+      YYFPRINTF (stderr, "\n");
     }
 }
 
@@ -2923,10 +2942,8 @@
 	break;
     }
 }
-
 
 /* Prevent warnings from -Wmissing-prototypes.  */
-
 #ifdef YYPARSE_PARAM
 #if defined __STDC__ || defined __cplusplus
 int yyparse (void *YYPARSE_PARAM);
@@ -2945,10 +2962,9 @@
 
 
 
-
-/*----------.
-| yyparse.  |
-`----------*/
+/*-------------------------.
+| yyparse or yypush_parse.  |
+`-------------------------*/
 
 #ifdef YYPARSE_PARAM
 #if (defined __STDC__ || defined __C99__FUNC__ \
@@ -2973,22 +2989,46 @@
 #endif
 #endif
 {
-  /* The look-ahead symbol.  */
+/* The lookahead symbol.  */
 int yychar;
 
-/* The semantic value of the look-ahead symbol.  */
+/* The semantic value of the lookahead symbol.  */
 YYSTYPE yylval;
 
-/* Number of syntax errors so far.  */
-int yynerrs;
+    /* Number of syntax errors so far.  */
+    int yynerrs;
+
+    int yystate;
+    /* Number of tokens to shift before error messages enabled.  */
+    int yyerrstatus;
+
+    /* The stacks and their tools:
+       `yyss': related to states.
+       `yyvs': related to semantic values.
+
+       Refer to the stacks thru separate pointers, to allow yyoverflow
+       to reallocate them elsewhere.  */
+
+    /* The state stack.  */
+    yytype_int16 yyssa[YYINITDEPTH];
+    yytype_int16 *yyss;
+    yytype_int16 *yyssp;
+
+    /* The semantic value stack.  */
+    YYSTYPE yyvsa[YYINITDEPTH];
+    YYSTYPE *yyvs;
+    YYSTYPE *yyvsp;
+
+    YYSIZE_T yystacksize;
 
-  int yystate;
   int yyn;
   int yyresult;
-  /* Number of tokens to shift before error messages enabled.  */
-  int yyerrstatus;
-  /* Look-ahead token as an internal (translated) token number.  */
-  int yytoken = 0;
+  /* Lookahead token as an internal (translated) token number.  */
+  int yytoken;
+  /* The variables used to return semantic value and location from the
+     action routines.  */
+  YYSTYPE yyval;
+
 #if YYERROR_VERBOSE
   /* Buffer for error messages, and its allocated size.  */
   char yymsgbuf[128];
@@ -2996,51 +3036,28 @@
   YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
 #endif
 
-  /* Three stacks and their tools:
-     `yyss': related to states,
-     `yyvs': related to semantic values,
-     `yyls': related to locations.
-
-     Refer to the stacks thru separate pointers, to allow yyoverflow
-     to reallocate them elsewhere.  */
-
-  /* The state stack.  */
-  yytype_int16 yyssa[YYINITDEPTH];
-  yytype_int16 *yyss = yyssa;
-  yytype_int16 *yyssp;
-
-  /* The semantic value stack.  */
-  YYSTYPE yyvsa[YYINITDEPTH];
-  YYSTYPE *yyvs = yyvsa;
-  YYSTYPE *yyvsp;
-
-
-
 #define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
 
-  YYSIZE_T yystacksize = YYINITDEPTH;
-
-  /* The variables used to return semantic value and location from the
-     action routines.  */
-  YYSTYPE yyval;
-
-
   /* The number of symbols on the RHS of the reduced rule.
      Keep to zero when no symbol should be popped.  */
   int yylen = 0;
 
+  yytoken = 0;
+  yyss = yyssa;
+  yyvs = yyvsa;
+  yystacksize = YYINITDEPTH;
+
   YYDPRINTF ((stderr, "Starting parse\n"));
 
   yystate = 0;
   yyerrstatus = 0;
   yynerrs = 0;
-  yychar = YYEMPTY;		/* Cause a token to be read.  */
+  yychar = YYEMPTY; /* Cause a token to be read.  */
 
   /* Initialize stack pointers.
      Waste one element of value and location stack
      so that they stay on the same level as the state stack.
      The wasted elements are never initialized.  */
-
   yyssp = yyss;
   yyvsp = yyvs;
 
@@ -3070,7 +3087,6 @@
 	YYSTYPE *yyvs1 = yyvs;
 	yytype_int16 *yyss1 = yyss;
 
-
 	/* Each stack pointer address is followed by the size of the
 	   data in use in that stack, in bytes.  This used to be a
 	   conditional around just the two extra args, but that might
@@ -3078,7 +3094,6 @@
 	yyoverflow (YY_("memory exhausted"),
 		    &yyss1, yysize * sizeof (*yyssp),
 		    &yyvs1, yysize * sizeof (*yyvsp),
-
 		    &yystacksize);
 
 	yyss = yyss1;
@@ -3101,9 +3116,8 @@
 	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
 	if (! yyptr)
 	  goto yyexhaustedlab;
-	YYSTACK_RELOCATE (yyss);
-	YYSTACK_RELOCATE (yyvs);
-
+	YYSTACK_RELOCATE (yyss_alloc, yyss);
+	YYSTACK_RELOCATE (yyvs_alloc, yyvs);
 #  undef YYSTACK_RELOCATE
 	if (yyss1 != yyssa)
 	  YYSTACK_FREE (yyss1);
@@ -3114,7 +3128,6 @@
       yyssp = yyss + yysize - 1;
       yyvsp = yyvs + yysize - 1;
 
-
       YYDPRINTF ((stderr, "Stack size increased to %lu\n",
 		  (unsigned long int) yystacksize));
 
@@ -3124,6 +3137,9 @@
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 
+  if (yystate == YYFINAL)
+    YYACCEPT;
+
   goto yybackup;
 
 /*-----------.
@@ -3132,16 +3148,16 @@
 yybackup:
 
   /* Do appropriate processing given the current state.  Read a
-     look-ahead token if we need one and don't already have one.  */
+     lookahead token if we need one and don't already have one.  */
 
-  /* First try to decide what to do without reference to look-ahead token.  */
+  /* First try to decide what to do without reference to lookahead token.  */
   yyn = yypact[yystate];
   if (yyn == YYPACT_NINF)
     goto yydefault;
 
-  /* Not known => get a look-ahead token if don't already have one.  */
+  /* Not known => get a lookahead token if don't already have one.  */
 
-  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
   if (yychar == YYEMPTY)
     {
       YYDPRINTF ((stderr, "Reading a token: "));
@@ -3173,20 +3189,16 @@
       goto yyreduce;
     }
 
-  if (yyn == YYFINAL)
-    YYACCEPT;
-
   /* Count tokens shifted since error; after three, turn off error
      status.  */
   if (yyerrstatus)
     yyerrstatus--;
 
-  /* Shift the look-ahead token.  */
+  /* Shift the lookahead token.  */
   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
 
-  /* Discard the shifted token unless it is eof.  */
-  if (yychar != YYEOF)
-    yychar = YYEMPTY;
+  /* Discard the shifted token.  */
+  yychar = YYEMPTY;
 
   yystate = yyn;
   *++yyvsp = yylval;
@@ -3226,21 +3238,29 @@
   switch (yyn)
     {
         case 2:
+
+/* Line 1455 of yacc.c  */
 #line 1154 "compilers/imcc/imcc.y"
     { if (yynerrs) YYABORT; (yyval.i) = 0; }
     break;
 
   case 5:
+
+/* Line 1455 of yacc.c  */
 #line 1163 "compilers/imcc/imcc.y"
     { (yyval.i) = (yyvsp[(1) - (1)].i); }
     break;
 
   case 6:
+
+/* Line 1455 of yacc.c  */
 #line 1164 "compilers/imcc/imcc.y"
     { (yyval.i) = (yyvsp[(1) - (1)].i); }
     break;
 
   case 7:
+
+/* Line 1455 of yacc.c  */
 #line 1166 "compilers/imcc/imcc.y"
     {
            (yyval.i) = (yyvsp[(1) - (1)].i);
@@ -3250,6 +3270,8 @@
     break;
 
   case 8:
+
+/* Line 1455 of yacc.c  */
 #line 1172 "compilers/imcc/imcc.y"
     {
            (yyval.i) = (yyvsp[(1) - (1)].i);
@@ -3259,31 +3281,43 @@
     break;
 
   case 9:
+
+/* Line 1455 of yacc.c  */
 #line 1177 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 10:
+
+/* Line 1455 of yacc.c  */
 #line 1178 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 11:
+
+/* Line 1455 of yacc.c  */
 #line 1179 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 12:
+
+/* Line 1455 of yacc.c  */
 #line 1180 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 13:
+
+/* Line 1455 of yacc.c  */
 #line 1184 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 14:
+
+/* Line 1455 of yacc.c  */
 #line 1186 "compilers/imcc/imcc.y"
     {
            (yyval.i) = 0;
@@ -3293,6 +3327,8 @@
     break;
 
   case 15:
+
+/* Line 1455 of yacc.c  */
 #line 1195 "compilers/imcc/imcc.y"
     {
            IMCC_INFO(interp)->line = atoi((yyvsp[(2) - (5)].s));
@@ -3302,6 +3338,8 @@
     break;
 
   case 16:
+
+/* Line 1455 of yacc.c  */
 #line 1201 "compilers/imcc/imcc.y"
     {
            /* set_filename() frees the STRINGC */
@@ -3310,6 +3348,8 @@
     break;
 
   case 17:
+
+/* Line 1455 of yacc.c  */
 #line 1209 "compilers/imcc/imcc.y"
     {
           /* We'll want to store an entry while emitting instructions, so just
@@ -3321,6 +3361,8 @@
     break;
 
   case 18:
+
+/* Line 1455 of yacc.c  */
 #line 1221 "compilers/imcc/imcc.y"
     {
             STRING * const hll_name = Parrot_str_unescape(interp, (yyvsp[(2) - (2)].s) + 1, '"', NULL);
@@ -3334,11 +3376,15 @@
     break;
 
   case 19:
+
+/* Line 1455 of yacc.c  */
 #line 1233 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->is_def = 1; }
     break;
 
   case 20:
+
+/* Line 1455 of yacc.c  */
 #line 1234 "compilers/imcc/imcc.y"
     {
              mk_const_ident(interp, (yyvsp[(4) - (6)].s), (yyvsp[(3) - (6)].t), (yyvsp[(6) - (6)].sr), 1);
@@ -3348,11 +3394,15 @@
     break;
 
   case 21:
+
+/* Line 1455 of yacc.c  */
 #line 1242 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->is_def = 1; }
     break;
 
   case 22:
+
+/* Line 1455 of yacc.c  */
 #line 1243 "compilers/imcc/imcc.y"
     {
            (yyval.i) = mk_pmc_const(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(3) - (6)].s), (yyvsp[(4) - (6)].sr), (yyvsp[(6) - (6)].s));
@@ -3362,11 +3412,15 @@
     break;
 
   case 23:
+
+/* Line 1455 of yacc.c  */
 #line 1249 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->is_def = 1; }
     break;
 
   case 24:
+
+/* Line 1455 of yacc.c  */
 #line 1250 "compilers/imcc/imcc.y"
     {
            (yyval.i) = mk_pmc_const_named(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(3) - (6)].s), (yyvsp[(4) - (6)].sr), (yyvsp[(6) - (6)].s));
@@ -3377,36 +3431,50 @@
     break;
 
   case 29:
+
+/* Line 1455 of yacc.c  */
 #line 1268 "compilers/imcc/imcc.y"
     { (yyval.i) = 0;  }
     break;
 
   case 30:
+
+/* Line 1455 of yacc.c  */
 #line 1269 "compilers/imcc/imcc.y"
     { (yyval.i) = 0;  }
     break;
 
   case 31:
+
+/* Line 1455 of yacc.c  */
 #line 1270 "compilers/imcc/imcc.y"
     { (yyval.i) = 0;  }
     break;
 
   case 32:
+
+/* Line 1455 of yacc.c  */
 #line 1271 "compilers/imcc/imcc.y"
     { (yyval.i) = 0;  }
     break;
 
   case 33:
+
+/* Line 1455 of yacc.c  */
 #line 1272 "compilers/imcc/imcc.y"
     { (yyval.i) = (yyvsp[(1) - (1)].i); }
     break;
 
   case 36:
+
+/* Line 1455 of yacc.c  */
 #line 1277 "compilers/imcc/imcc.y"
     { clear_state(interp); }
     break;
 
   case 37:
+
+/* Line 1455 of yacc.c  */
 #line 1279 "compilers/imcc/imcc.y"
     {
            (yyval.i) = INS(interp, IMCC_INFO(interp)->cur_unit,
@@ -3417,6 +3485,8 @@
     break;
 
   case 38:
+
+/* Line 1455 of yacc.c  */
 #line 1286 "compilers/imcc/imcc.y"
     {
            imc_close_unit(interp, IMCC_INFO(interp)->cur_unit);
@@ -3425,6 +3495,8 @@
     break;
 
   case 39:
+
+/* Line 1455 of yacc.c  */
 #line 1291 "compilers/imcc/imcc.y"
     {
            (yyval.i) = iSUBROUTINE(interp,
@@ -3436,6 +3508,8 @@
     break;
 
   case 40:
+
+/* Line 1455 of yacc.c  */
 #line 1299 "compilers/imcc/imcc.y"
     {
            (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, "null", 1, (yyvsp[(2) - (2)].sr));
@@ -3443,6 +3517,8 @@
     break;
 
   case 41:
+
+/* Line 1455 of yacc.c  */
 #line 1303 "compilers/imcc/imcc.y"
     {
            char   *name = mem_sys_strdup((yyvsp[(2) - (4)].s) + 1);
@@ -3459,16 +3535,22 @@
     break;
 
   case 42:
+
+/* Line 1455 of yacc.c  */
 #line 1315 "compilers/imcc/imcc.y"
     { (yyval.i) = 0;}
     break;
 
   case 44:
+
+/* Line 1455 of yacc.c  */
 #line 1323 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->cur_unit = imc_open_unit(interp, IMC_PASM); }
     break;
 
   case 45:
+
+/* Line 1455 of yacc.c  */
 #line 1326 "compilers/imcc/imcc.y"
     {
            /* if (optimizer_level & OPT_PASM)
@@ -3480,6 +3562,8 @@
     break;
 
   case 48:
+
+/* Line 1455 of yacc.c  */
 #line 1342 "compilers/imcc/imcc.y"
     {
            int re_open = 0;
@@ -3495,6 +3579,8 @@
     break;
 
   case 49:
+
+/* Line 1455 of yacc.c  */
 #line 1357 "compilers/imcc/imcc.y"
     {
             (yyval.sr) = (yyvsp[(2) - (3)].sr);
@@ -3502,11 +3588,15 @@
     break;
 
   case 50:
+
+/* Line 1455 of yacc.c  */
 #line 1360 "compilers/imcc/imcc.y"
     { (yyval.sr) = NULL; }
     break;
 
   case 51:
+
+/* Line 1455 of yacc.c  */
 #line 1365 "compilers/imcc/imcc.y"
     {
            IMCC_INFO(interp)->cur_unit = imc_open_unit(interp, IMC_PCCSUB);
@@ -3514,6 +3604,8 @@
     break;
 
   case 52:
+
+/* Line 1455 of yacc.c  */
 #line 1369 "compilers/imcc/imcc.y"
     {
            iSUBROUTINE(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(3) - (3)].sr));
@@ -3521,6 +3613,8 @@
     break;
 
   case 53:
+
+/* Line 1455 of yacc.c  */
 #line 1373 "compilers/imcc/imcc.y"
     {
           IMCC_INFO(interp)->cur_call->pcc_sub->pragma = (yyvsp[(5) - (6)].t);
@@ -3532,21 +3626,29 @@
     break;
 
   case 54:
+
+/* Line 1455 of yacc.c  */
 #line 1381 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; IMCC_INFO(interp)->cur_call = NULL; }
     break;
 
   case 55:
+
+/* Line 1455 of yacc.c  */
 #line 1385 "compilers/imcc/imcc.y"
     { (yyval.sr) = 0; }
     break;
 
   case 56:
+
+/* Line 1455 of yacc.c  */
 #line 1386 "compilers/imcc/imcc.y"
     { (yyval.sr) = 0; }
     break;
 
   case 57:
+
+/* Line 1455 of yacc.c  */
 #line 1388 "compilers/imcc/imcc.y"
     {
            if (IMCC_INFO(interp)->adv_named_id) {
@@ -3560,16 +3662,22 @@
     break;
 
   case 58:
+
+/* Line 1455 of yacc.c  */
 #line 1400 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->is_def = 1; }
     break;
 
   case 59:
+
+/* Line 1455 of yacc.c  */
 #line 1400 "compilers/imcc/imcc.y"
     { (yyval.sr) = (yyvsp[(3) - (3)].sr); IMCC_INFO(interp)->is_def = 0; }
     break;
 
   case 60:
+
+/* Line 1455 of yacc.c  */
 #line 1405 "compilers/imcc/imcc.y"
     {
            if ((yyvsp[(3) - (3)].t) & VT_UNIQUE_REG)
@@ -3594,11 +3702,15 @@
     break;
 
   case 61:
+
+/* Line 1455 of yacc.c  */
 #line 1430 "compilers/imcc/imcc.y"
     { (yyval.t) = 0; }
     break;
 
   case 62:
+
+/* Line 1455 of yacc.c  */
 #line 1435 "compilers/imcc/imcc.y"
     {
            (yyval.t) = 0;
@@ -3608,6 +3720,8 @@
     break;
 
   case 63:
+
+/* Line 1455 of yacc.c  */
 #line 1441 "compilers/imcc/imcc.y"
     {
            (yyval.t) = 0;
@@ -3617,6 +3731,8 @@
     break;
 
   case 64:
+
+/* Line 1455 of yacc.c  */
 #line 1450 "compilers/imcc/imcc.y"
     {
            (yyval.t) = P_VTABLE;
@@ -3626,6 +3742,8 @@
     break;
 
   case 65:
+
+/* Line 1455 of yacc.c  */
 #line 1456 "compilers/imcc/imcc.y"
     {
            (yyval.t) = P_VTABLE;
@@ -3635,6 +3753,8 @@
     break;
 
   case 66:
+
+/* Line 1455 of yacc.c  */
 #line 1465 "compilers/imcc/imcc.y"
     {
            (yyval.t) = P_METHOD;
@@ -3644,6 +3764,8 @@
     break;
 
   case 67:
+
+/* Line 1455 of yacc.c  */
 #line 1471 "compilers/imcc/imcc.y"
     {
            (yyval.t) = P_METHOD;
@@ -3653,6 +3775,8 @@
     break;
 
   case 68:
+
+/* Line 1455 of yacc.c  */
 #line 1480 "compilers/imcc/imcc.y"
     {
            (yyval.t) = 0;
@@ -3662,6 +3786,8 @@
     break;
 
   case 69:
+
+/* Line 1455 of yacc.c  */
 #line 1486 "compilers/imcc/imcc.y"
     {
            (yyval.t) = 0;
@@ -3671,6 +3797,8 @@
     break;
 
   case 70:
+
+/* Line 1455 of yacc.c  */
 #line 1495 "compilers/imcc/imcc.y"
     {
            (yyval.t) = 0;
@@ -3679,6 +3807,8 @@
     break;
 
   case 71:
+
+/* Line 1455 of yacc.c  */
 #line 1503 "compilers/imcc/imcc.y"
     {
            (yyval.t) = 0;
@@ -3687,6 +3817,8 @@
     break;
 
   case 72:
+
+/* Line 1455 of yacc.c  */
 #line 1508 "compilers/imcc/imcc.y"
     {
            (yyval.t) = 0;
@@ -3697,6 +3829,8 @@
     break;
 
   case 73:
+
+/* Line 1455 of yacc.c  */
 #line 1518 "compilers/imcc/imcc.y"
     {
            add_pcc_multi(IMCC_INFO(interp)->cur_call, NULL);
@@ -3704,6 +3838,8 @@
     break;
 
   case 74:
+
+/* Line 1455 of yacc.c  */
 #line 1522 "compilers/imcc/imcc.y"
     {
            (yyval.t) = 0;
@@ -3712,6 +3848,8 @@
     break;
 
   case 75:
+
+/* Line 1455 of yacc.c  */
 #line 1527 "compilers/imcc/imcc.y"
     {
            (yyval.t) = 0;
@@ -3720,26 +3858,36 @@
     break;
 
   case 76:
+
+/* Line 1455 of yacc.c  */
 #line 1534 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_const(interp, "INTVAL",   'S'); }
     break;
 
   case 77:
+
+/* Line 1455 of yacc.c  */
 #line 1535 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_const(interp, "FLOATVAL", 'S'); }
     break;
 
   case 78:
+
+/* Line 1455 of yacc.c  */
 #line 1536 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_const(interp, "PMC",      'S'); }
     break;
 
   case 79:
+
+/* Line 1455 of yacc.c  */
 #line 1537 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_const(interp, "STRING",   'S'); }
     break;
 
   case 80:
+
+/* Line 1455 of yacc.c  */
 #line 1539 "compilers/imcc/imcc.y"
     {
            SymReg *r;
@@ -3754,6 +3902,8 @@
     break;
 
   case 81:
+
+/* Line 1455 of yacc.c  */
 #line 1550 "compilers/imcc/imcc.y"
     {
            SymReg *r;
@@ -3768,11 +3918,15 @@
     break;
 
   case 82:
+
+/* Line 1455 of yacc.c  */
 #line 1560 "compilers/imcc/imcc.y"
     { (yyval.sr) = (yyvsp[(2) - (3)].sr); }
     break;
 
   case 85:
+
+/* Line 1455 of yacc.c  */
 #line 1570 "compilers/imcc/imcc.y"
     {
            char name[128];
@@ -3800,81 +3954,113 @@
     break;
 
   case 86:
+
+/* Line 1455 of yacc.c  */
 #line 1598 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; IMCC_INFO(interp)->cur_call = NULL; }
     break;
 
   case 87:
+
+/* Line 1455 of yacc.c  */
 #line 1602 "compilers/imcc/imcc.y"
     { (yyval.i) = NULL; IMCC_INFO(interp)->cur_call->pcc_sub->label = 0; }
     break;
 
   case 88:
+
+/* Line 1455 of yacc.c  */
 #line 1603 "compilers/imcc/imcc.y"
     { (yyval.i) = NULL; IMCC_INFO(interp)->cur_call->pcc_sub->label = 1; }
     break;
 
   case 89:
+
+/* Line 1455 of yacc.c  */
 #line 1607 "compilers/imcc/imcc.y"
     { (yyval.i) = NULL; }
     break;
 
   case 90:
+
+/* Line 1455 of yacc.c  */
 #line 1608 "compilers/imcc/imcc.y"
     { (yyval.i) = NULL;  IMCC_INFO(interp)->cur_call->pcc_sub->object = (yyvsp[(2) - (3)].sr); }
     break;
 
   case 91:
+
+/* Line 1455 of yacc.c  */
 #line 1612 "compilers/imcc/imcc.y"
     { (yyval.t) = 0; }
     break;
 
   case 93:
+
+/* Line 1455 of yacc.c  */
 #line 1617 "compilers/imcc/imcc.y"
     { (yyval.t) = (yyvsp[(1) - (1)].t); }
     break;
 
   case 94:
+
+/* Line 1455 of yacc.c  */
 #line 1618 "compilers/imcc/imcc.y"
     { (yyval.t) = (yyvsp[(1) - (2)].t) | (yyvsp[(2) - (2)].t); }
     break;
 
   case 95:
+
+/* Line 1455 of yacc.c  */
 #line 1622 "compilers/imcc/imcc.y"
     { (yyval.t) = P_LOAD; }
     break;
 
   case 96:
+
+/* Line 1455 of yacc.c  */
 #line 1623 "compilers/imcc/imcc.y"
     { (yyval.t) = P_INIT; }
     break;
 
   case 97:
+
+/* Line 1455 of yacc.c  */
 #line 1624 "compilers/imcc/imcc.y"
     { (yyval.t) = P_MAIN; }
     break;
 
   case 98:
+
+/* Line 1455 of yacc.c  */
 #line 1625 "compilers/imcc/imcc.y"
     { (yyval.t) = P_IMMEDIATE; }
     break;
 
   case 99:
+
+/* Line 1455 of yacc.c  */
 #line 1626 "compilers/imcc/imcc.y"
     { (yyval.t) = P_POSTCOMP; }
     break;
 
   case 100:
+
+/* Line 1455 of yacc.c  */
 #line 1627 "compilers/imcc/imcc.y"
     { (yyval.t) = P_ANON; }
     break;
 
   case 101:
+
+/* Line 1455 of yacc.c  */
 #line 1628 "compilers/imcc/imcc.y"
     { (yyval.t) = P_NEED_LEX; }
     break;
 
   case 109:
+
+/* Line 1455 of yacc.c  */
 #line 1640 "compilers/imcc/imcc.y"
     {
            add_pcc_sub(IMCC_INFO(interp)->cur_call, (yyvsp[(2) - (5)].sr));
@@ -3883,6 +4069,8 @@
     break;
 
   case 110:
+
+/* Line 1455 of yacc.c  */
 #line 1645 "compilers/imcc/imcc.y"
     {
            add_pcc_sub(IMCC_INFO(interp)->cur_call, (yyvsp[(2) - (3)].sr));
@@ -3890,6 +4078,8 @@
     break;
 
   case 111:
+
+/* Line 1455 of yacc.c  */
 #line 1649 "compilers/imcc/imcc.y"
     {
            add_pcc_sub(IMCC_INFO(interp)->cur_call, (yyvsp[(2) - (3)].sr));
@@ -3898,6 +4088,8 @@
     break;
 
   case 112:
+
+/* Line 1455 of yacc.c  */
 #line 1654 "compilers/imcc/imcc.y"
     {
            add_pcc_sub(IMCC_INFO(interp)->cur_call, (yyvsp[(2) - (3)].sr));
@@ -3905,6 +4097,8 @@
     break;
 
   case 113:
+
+/* Line 1455 of yacc.c  */
 #line 1658 "compilers/imcc/imcc.y"
     {
            add_pcc_sub(IMCC_INFO(interp)->cur_call, mk_const(interp, (yyvsp[(2) - (3)].s), 'S'));
@@ -3912,6 +4106,8 @@
     break;
 
   case 114:
+
+/* Line 1455 of yacc.c  */
 #line 1662 "compilers/imcc/imcc.y"
     {
            add_pcc_sub(IMCC_INFO(interp)->cur_call, (yyvsp[(2) - (5)].sr));
@@ -3920,6 +4116,8 @@
     break;
 
   case 115:
+
+/* Line 1455 of yacc.c  */
 #line 1667 "compilers/imcc/imcc.y"
     {
            add_pcc_sub(IMCC_INFO(interp)->cur_call, mk_const(interp, (yyvsp[(2) - (5)].s), 'S'));
@@ -3928,26 +4126,36 @@
     break;
 
   case 116:
+
+/* Line 1455 of yacc.c  */
 #line 1675 "compilers/imcc/imcc.y"
     { (yyval.sr) = 0; }
     break;
 
   case 117:
+
+/* Line 1455 of yacc.c  */
 #line 1676 "compilers/imcc/imcc.y"
     { add_pcc_arg(IMCC_INFO(interp)->cur_call, (yyvsp[(2) - (3)].sr)); }
     break;
 
   case 118:
+
+/* Line 1455 of yacc.c  */
 #line 1680 "compilers/imcc/imcc.y"
     { (yyval.sr) = (yyvsp[(2) - (2)].sr); }
     break;
 
   case 119:
+
+/* Line 1455 of yacc.c  */
 #line 1685 "compilers/imcc/imcc.y"
     { (yyval.sr) = 0; }
     break;
 
   case 120:
+
+/* Line 1455 of yacc.c  */
 #line 1687 "compilers/imcc/imcc.y"
     {
            if ((yyvsp[(2) - (3)].sr))
@@ -3956,16 +4164,22 @@
     break;
 
   case 121:
+
+/* Line 1455 of yacc.c  */
 #line 1694 "compilers/imcc/imcc.y"
     { (yyval.sr) = (yyvsp[(2) - (3)].sr); (yyval.sr)->type |= (yyvsp[(3) - (3)].t); }
     break;
 
   case 122:
+
+/* Line 1455 of yacc.c  */
 #line 1695 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->is_def = 1; }
     break;
 
   case 123:
+
+/* Line 1455 of yacc.c  */
 #line 1696 "compilers/imcc/imcc.y"
     {
            IdList * const l = (yyvsp[(4) - (4)].idlist);
@@ -3981,66 +4195,92 @@
     break;
 
   case 124:
+
+/* Line 1455 of yacc.c  */
 #line 1710 "compilers/imcc/imcc.y"
     { (yyval.t) = 0; }
     break;
 
   case 125:
+
+/* Line 1455 of yacc.c  */
 #line 1711 "compilers/imcc/imcc.y"
     { (yyval.t) = (yyvsp[(1) - (2)].t) | (yyvsp[(2) - (2)].t); }
     break;
 
   case 126:
+
+/* Line 1455 of yacc.c  */
 #line 1715 "compilers/imcc/imcc.y"
     { (yyval.t) = VT_FLAT;   }
     break;
 
   case 127:
+
+/* Line 1455 of yacc.c  */
 #line 1716 "compilers/imcc/imcc.y"
     { (yyval.t) = VT_OPTIONAL; }
     break;
 
   case 128:
+
+/* Line 1455 of yacc.c  */
 #line 1717 "compilers/imcc/imcc.y"
     { (yyval.t) = VT_OPT_FLAG; }
     break;
 
   case 129:
+
+/* Line 1455 of yacc.c  */
 #line 1718 "compilers/imcc/imcc.y"
     { (yyval.t) = VT_NAMED; }
     break;
 
   case 130:
+
+/* Line 1455 of yacc.c  */
 #line 1719 "compilers/imcc/imcc.y"
     { adv_named_set(interp, (yyvsp[(3) - (4)].s));   (yyval.t) = 0; mem_sys_free((yyvsp[(3) - (4)].s)); }
     break;
 
   case 131:
+
+/* Line 1455 of yacc.c  */
 #line 1720 "compilers/imcc/imcc.y"
     { adv_named_set_u(interp, (yyvsp[(3) - (4)].s)); (yyval.t) = 0; mem_sys_free((yyvsp[(3) - (4)].s)); }
     break;
 
   case 132:
+
+/* Line 1455 of yacc.c  */
 #line 1721 "compilers/imcc/imcc.y"
     { (yyval.t) = VT_UNIQUE_REG; }
     break;
 
   case 133:
+
+/* Line 1455 of yacc.c  */
 #line 1722 "compilers/imcc/imcc.y"
     { (yyval.t) = VT_CALL_SIG; }
     break;
 
   case 134:
+
+/* Line 1455 of yacc.c  */
 #line 1727 "compilers/imcc/imcc.y"
     { begin_return_or_yield(interp, 0); }
     break;
 
   case 135:
+
+/* Line 1455 of yacc.c  */
 #line 1729 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; IMCC_INFO(interp)->asm_state = AsmDefault; }
     break;
 
   case 136:
+
+/* Line 1455 of yacc.c  */
 #line 1731 "compilers/imcc/imcc.y"
     {
            IMCC_INFO(interp)->asm_state = AsmDefault;
@@ -4049,21 +4289,29 @@
     break;
 
   case 137:
+
+/* Line 1455 of yacc.c  */
 #line 1738 "compilers/imcc/imcc.y"
     { begin_return_or_yield(interp, 1); }
     break;
 
   case 138:
+
+/* Line 1455 of yacc.c  */
 #line 1740 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; IMCC_INFO(interp)->asm_state = AsmDefault; }
     break;
 
   case 139:
+
+/* Line 1455 of yacc.c  */
 #line 1744 "compilers/imcc/imcc.y"
     { (yyval.sr) = 0; }
     break;
 
   case 140:
+
+/* Line 1455 of yacc.c  */
 #line 1746 "compilers/imcc/imcc.y"
     {
            if ((yyvsp[(1) - (2)].sr))
@@ -4072,6 +4320,8 @@
     break;
 
   case 141:
+
+/* Line 1455 of yacc.c  */
 #line 1751 "compilers/imcc/imcc.y"
     {
            if ((yyvsp[(2) - (3)].sr))
@@ -4080,11 +4330,15 @@
     break;
 
   case 142:
+
+/* Line 1455 of yacc.c  */
 #line 1758 "compilers/imcc/imcc.y"
     { (yyval.sr) = 0; }
     break;
 
   case 143:
+
+/* Line 1455 of yacc.c  */
 #line 1760 "compilers/imcc/imcc.y"
     {
            if ((yyvsp[(1) - (2)].sr))
@@ -4093,6 +4347,8 @@
     break;
 
   case 144:
+
+/* Line 1455 of yacc.c  */
 #line 1765 "compilers/imcc/imcc.y"
     {
            if ((yyvsp[(2) - (3)].sr))
@@ -4101,16 +4357,22 @@
     break;
 
   case 145:
+
+/* Line 1455 of yacc.c  */
 #line 1772 "compilers/imcc/imcc.y"
     { (yyval.sr) = (yyvsp[(2) - (3)].sr); (yyval.sr)->type |= (yyvsp[(3) - (3)].t); }
     break;
 
   case 146:
+
+/* Line 1455 of yacc.c  */
 #line 1776 "compilers/imcc/imcc.y"
     { (yyval.sr) = (yyvsp[(2) - (3)].sr); (yyval.sr)->type |= (yyvsp[(3) - (3)].t); }
     break;
 
   case 147:
+
+/* Line 1455 of yacc.c  */
 #line 1781 "compilers/imcc/imcc.y"
     {
           if (IMCC_INFO(interp)->asm_state == AsmDefault)
@@ -4119,6 +4381,8 @@
     break;
 
   case 148:
+
+/* Line 1455 of yacc.c  */
 #line 1786 "compilers/imcc/imcc.y"
     {
           IMCC_INFO(interp)->asm_state = AsmDefault;
@@ -4127,21 +4391,29 @@
     break;
 
   case 149:
+
+/* Line 1455 of yacc.c  */
 #line 1793 "compilers/imcc/imcc.y"
     { (yyval.t) = 0; }
     break;
 
   case 150:
+
+/* Line 1455 of yacc.c  */
 #line 1794 "compilers/imcc/imcc.y"
     { (yyval.t) = 1; }
     break;
 
   case 151:
+
+/* Line 1455 of yacc.c  */
 #line 1798 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 152:
+
+/* Line 1455 of yacc.c  */
 #line 1800 "compilers/imcc/imcc.y"
     {
            if (IMCC_INFO(interp)->adv_named_id) {
@@ -4155,6 +4427,8 @@
     break;
 
   case 153:
+
+/* Line 1455 of yacc.c  */
 #line 1810 "compilers/imcc/imcc.y"
     {
             SymReg * const name = mk_const(interp, (yyvsp[(1) - (3)].s), 'S');
@@ -4163,6 +4437,8 @@
     break;
 
   case 154:
+
+/* Line 1455 of yacc.c  */
 #line 1815 "compilers/imcc/imcc.y"
     {
            if (IMCC_INFO(interp)->adv_named_id) {
@@ -4176,6 +4452,8 @@
     break;
 
   case 155:
+
+/* Line 1455 of yacc.c  */
 #line 1825 "compilers/imcc/imcc.y"
     {
            SymReg * const name = mk_const(interp, (yyvsp[(3) - (5)].s), 'S');
@@ -4184,46 +4462,64 @@
     break;
 
   case 158:
+
+/* Line 1455 of yacc.c  */
 #line 1846 "compilers/imcc/imcc.y"
     { clear_state(interp); }
     break;
 
   case 159:
+
+/* Line 1455 of yacc.c  */
 #line 1851 "compilers/imcc/imcc.y"
     { (yyval.i) = (yyvsp[(2) - (2)].i); }
     break;
 
   case 160:
+
+/* Line 1455 of yacc.c  */
 #line 1852 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 161:
+
+/* Line 1455 of yacc.c  */
 #line 1853 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 162:
+
+/* Line 1455 of yacc.c  */
 #line 1854 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 163:
+
+/* Line 1455 of yacc.c  */
 #line 1855 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 164:
+
+/* Line 1455 of yacc.c  */
 #line 1856 "compilers/imcc/imcc.y"
     { (yyval.i) = (yyvsp[(1) - (1)].i); }
     break;
 
   case 165:
+
+/* Line 1455 of yacc.c  */
 #line 1860 "compilers/imcc/imcc.y"
     { (yyval.i) = NULL; }
     break;
 
   case 169:
+
+/* Line 1455 of yacc.c  */
 #line 1871 "compilers/imcc/imcc.y"
     {
              Instruction * const i = iLABEL(interp, IMCC_INFO(interp)->cur_unit, mk_local_label(interp, (yyvsp[(1) - (1)].s)));
@@ -4233,11 +4529,15 @@
     break;
 
   case 170:
+
+/* Line 1455 of yacc.c  */
 #line 1881 "compilers/imcc/imcc.y"
     { (yyval.i) = (yyvsp[(2) - (3)].i); }
     break;
 
   case 171:
+
+/* Line 1455 of yacc.c  */
 #line 1883 "compilers/imcc/imcc.y"
     {
            if (yynerrs >= PARROT_MAX_RECOVER_ERRORS) {
@@ -4249,6 +4549,8 @@
     break;
 
   case 172:
+
+/* Line 1455 of yacc.c  */
 #line 1894 "compilers/imcc/imcc.y"
     {
            IdList* const l = (yyvsp[(1) - (1)].idlist);
@@ -4258,6 +4560,8 @@
     break;
 
   case 173:
+
+/* Line 1455 of yacc.c  */
 #line 1901 "compilers/imcc/imcc.y"
     {
            IdList* const l = (yyvsp[(3) - (3)].idlist);
@@ -4267,6 +4571,8 @@
     break;
 
   case 174:
+
+/* Line 1455 of yacc.c  */
 #line 1910 "compilers/imcc/imcc.y"
     {
            IdList* const l = mem_allocate_n_zeroed_typed(1, IdList);
@@ -4277,21 +4583,29 @@
     break;
 
   case 175:
+
+/* Line 1455 of yacc.c  */
 #line 1919 "compilers/imcc/imcc.y"
     { (yyval.t) = 0; }
     break;
 
   case 176:
+
+/* Line 1455 of yacc.c  */
 #line 1920 "compilers/imcc/imcc.y"
     { (yyval.t) = 1; }
     break;
 
   case 179:
+
+/* Line 1455 of yacc.c  */
 #line 1927 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->is_def = 1; }
     break;
 
   case 180:
+
+/* Line 1455 of yacc.c  */
 #line 1928 "compilers/imcc/imcc.y"
     {
            IdList *l = (yyvsp[(4) - (4)].idlist);
@@ -4311,6 +4625,8 @@
     break;
 
   case 181:
+
+/* Line 1455 of yacc.c  */
 #line 1944 "compilers/imcc/imcc.y"
     {
            SymReg *n;
@@ -4324,6 +4640,8 @@
     break;
 
   case 182:
+
+/* Line 1455 of yacc.c  */
 #line 1954 "compilers/imcc/imcc.y"
     {
            SymReg *n = mk_const(interp, (yyvsp[(2) - (4)].s), 'U');
@@ -4333,11 +4651,15 @@
     break;
 
   case 183:
+
+/* Line 1455 of yacc.c  */
 #line 1959 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->is_def = 1; }
     break;
 
   case 184:
+
+/* Line 1455 of yacc.c  */
 #line 1960 "compilers/imcc/imcc.y"
     {
            mk_const_ident(interp, (yyvsp[(4) - (6)].s), (yyvsp[(3) - (6)].t), (yyvsp[(6) - (6)].sr), 0);
@@ -4347,11 +4669,15 @@
     break;
 
   case 186:
+
+/* Line 1455 of yacc.c  */
 #line 1967 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->is_def = 1; }
     break;
 
   case 187:
+
+/* Line 1455 of yacc.c  */
 #line 1968 "compilers/imcc/imcc.y"
     {
            mk_const_ident(interp, (yyvsp[(4) - (6)].s), (yyvsp[(3) - (6)].t), (yyvsp[(6) - (6)].sr), 1);
@@ -4361,6 +4687,8 @@
     break;
 
   case 188:
+
+/* Line 1455 of yacc.c  */
 #line 1974 "compilers/imcc/imcc.y"
     {
            (yyval.i) = NULL;
@@ -4370,6 +4698,8 @@
     break;
 
   case 189:
+
+/* Line 1455 of yacc.c  */
 #line 1980 "compilers/imcc/imcc.y"
     {
             (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, "branch", 1, (yyvsp[(2) - (2)].sr));
@@ -4377,6 +4707,8 @@
     break;
 
   case 190:
+
+/* Line 1455 of yacc.c  */
 #line 1984 "compilers/imcc/imcc.y"
     {
            (yyval.i) = INS(interp,
@@ -4392,46 +4724,64 @@
     break;
 
   case 191:
+
+/* Line 1455 of yacc.c  */
 #line 1995 "compilers/imcc/imcc.y"
     { (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, "null", 1, (yyvsp[(2) - (2)].sr)); }
     break;
 
   case 192:
+
+/* Line 1455 of yacc.c  */
 #line 1996 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; IMCC_INFO(interp)->cur_call = NULL; }
     break;
 
   case 193:
+
+/* Line 1455 of yacc.c  */
 #line 1997 "compilers/imcc/imcc.y"
     { (yyval.i) = 0; }
     break;
 
   case 196:
+
+/* Line 1455 of yacc.c  */
 #line 2000 "compilers/imcc/imcc.y"
     { (yyval.i) = 0;}
     break;
 
   case 197:
+
+/* Line 1455 of yacc.c  */
 #line 2004 "compilers/imcc/imcc.y"
     { (yyval.t) = 'I'; }
     break;
 
   case 198:
+
+/* Line 1455 of yacc.c  */
 #line 2005 "compilers/imcc/imcc.y"
     { (yyval.t) = 'N'; }
     break;
 
   case 199:
+
+/* Line 1455 of yacc.c  */
 #line 2006 "compilers/imcc/imcc.y"
     { (yyval.t) = 'S'; }
     break;
 
   case 200:
+
+/* Line 1455 of yacc.c  */
 #line 2007 "compilers/imcc/imcc.y"
     { (yyval.t) = 'P'; }
     break;
 
   case 201:
+
+/* Line 1455 of yacc.c  */
 #line 2012 "compilers/imcc/imcc.y"
     {
            /* there'd normally be a mem_sys_strdup() here, but the lexer already
@@ -4445,36 +4795,50 @@
     break;
 
   case 202:
+
+/* Line 1455 of yacc.c  */
 #line 2025 "compilers/imcc/imcc.y"
     { (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, "set", 2, (yyvsp[(1) - (3)].sr), (yyvsp[(3) - (3)].sr));  }
     break;
 
   case 203:
+
+/* Line 1455 of yacc.c  */
 #line 2027 "compilers/imcc/imcc.y"
     { (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(3) - (4)].s), 2, (yyvsp[(1) - (4)].sr), (yyvsp[(4) - (4)].sr));  }
     break;
 
   case 204:
+
+/* Line 1455 of yacc.c  */
 #line 2029 "compilers/imcc/imcc.y"
     { (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(4) - (5)].s), 3, (yyvsp[(1) - (5)].sr), (yyvsp[(3) - (5)].sr), (yyvsp[(5) - (5)].sr)); }
     break;
 
   case 205:
+
+/* Line 1455 of yacc.c  */
 #line 2031 "compilers/imcc/imcc.y"
     { (yyval.i) = iINDEXFETCH(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(1) - (6)].sr), (yyvsp[(3) - (6)].sr), (yyvsp[(5) - (6)].sr)); }
     break;
 
   case 206:
+
+/* Line 1455 of yacc.c  */
 #line 2033 "compilers/imcc/imcc.y"
     { (yyval.i) = iINDEXSET(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(1) - (6)].sr), (yyvsp[(3) - (6)].sr), (yyvsp[(6) - (6)].sr)); }
     break;
 
   case 207:
+
+/* Line 1455 of yacc.c  */
 #line 2038 "compilers/imcc/imcc.y"
     { (yyval.i) = iNEW(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(1) - (7)].sr), (yyvsp[(4) - (7)].s), (yyvsp[(6) - (7)].sr), 1); }
     break;
 
   case 208:
+
+/* Line 1455 of yacc.c  */
 #line 2041 "compilers/imcc/imcc.y"
     {
            add_pcc_result((yyvsp[(3) - (3)].i)->symregs[0], (yyvsp[(1) - (3)].sr));
@@ -4484,6 +4848,8 @@
     break;
 
   case 209:
+
+/* Line 1455 of yacc.c  */
 #line 2047 "compilers/imcc/imcc.y"
     {
            (yyval.i) = IMCC_create_itcall_label(interp);
@@ -4491,6 +4857,8 @@
     break;
 
   case 210:
+
+/* Line 1455 of yacc.c  */
 #line 2051 "compilers/imcc/imcc.y"
     {
            IMCC_itcall_sub(interp, (yyvsp[(6) - (9)].sr));
@@ -4499,6 +4867,8 @@
     break;
 
   case 214:
+
+/* Line 1455 of yacc.c  */
 #line 2059 "compilers/imcc/imcc.y"
     {
            (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, "null", 1, (yyvsp[(1) - (3)].sr));
@@ -4506,136 +4876,190 @@
     break;
 
   case 215:
+
+/* Line 1455 of yacc.c  */
 #line 2066 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"not"; }
     break;
 
   case 216:
+
+/* Line 1455 of yacc.c  */
 #line 2067 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"bnot"; }
     break;
 
   case 217:
+
+/* Line 1455 of yacc.c  */
 #line 2068 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"neg"; }
     break;
 
   case 218:
+
+/* Line 1455 of yacc.c  */
 #line 2072 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"sub"; }
     break;
 
   case 219:
+
+/* Line 1455 of yacc.c  */
 #line 2073 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"add"; }
     break;
 
   case 220:
+
+/* Line 1455 of yacc.c  */
 #line 2074 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"mul"; }
     break;
 
   case 221:
+
+/* Line 1455 of yacc.c  */
 #line 2075 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"div"; }
     break;
 
   case 222:
+
+/* Line 1455 of yacc.c  */
 #line 2076 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"mod"; }
     break;
 
   case 223:
+
+/* Line 1455 of yacc.c  */
 #line 2077 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"fdiv"; }
     break;
 
   case 224:
+
+/* Line 1455 of yacc.c  */
 #line 2078 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"pow"; }
     break;
 
   case 225:
+
+/* Line 1455 of yacc.c  */
 #line 2079 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"concat"; }
     break;
 
   case 226:
+
+/* Line 1455 of yacc.c  */
 #line 2080 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"iseq"; }
     break;
 
   case 227:
+
+/* Line 1455 of yacc.c  */
 #line 2081 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"isne"; }
     break;
 
   case 228:
+
+/* Line 1455 of yacc.c  */
 #line 2082 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"isgt"; }
     break;
 
   case 229:
+
+/* Line 1455 of yacc.c  */
 #line 2083 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"isge"; }
     break;
 
   case 230:
+
+/* Line 1455 of yacc.c  */
 #line 2084 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"islt"; }
     break;
 
   case 231:
+
+/* Line 1455 of yacc.c  */
 #line 2085 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"isle"; }
     break;
 
   case 232:
+
+/* Line 1455 of yacc.c  */
 #line 2086 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"shl"; }
     break;
 
   case 233:
+
+/* Line 1455 of yacc.c  */
 #line 2087 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"shr"; }
     break;
 
   case 234:
+
+/* Line 1455 of yacc.c  */
 #line 2088 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"lsr"; }
     break;
 
   case 235:
+
+/* Line 1455 of yacc.c  */
 #line 2089 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"and"; }
     break;
 
   case 236:
+
+/* Line 1455 of yacc.c  */
 #line 2090 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"or"; }
     break;
 
   case 237:
+
+/* Line 1455 of yacc.c  */
 #line 2091 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"xor"; }
     break;
 
   case 238:
+
+/* Line 1455 of yacc.c  */
 #line 2092 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"band"; }
     break;
 
   case 239:
+
+/* Line 1455 of yacc.c  */
 #line 2093 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"bor"; }
     break;
 
   case 240:
+
+/* Line 1455 of yacc.c  */
 #line 2094 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"bxor"; }
     break;
 
   case 241:
+
+/* Line 1455 of yacc.c  */
 #line 2100 "compilers/imcc/imcc.y"
     {
            (yyval.i) = IMCC_create_itcall_label(interp);
@@ -4645,81 +5069,113 @@
     break;
 
   case 242:
+
+/* Line 1455 of yacc.c  */
 #line 2105 "compilers/imcc/imcc.y"
     {  (yyval.i) = 0; }
     break;
 
   case 243:
+
+/* Line 1455 of yacc.c  */
 #line 2112 "compilers/imcc/imcc.y"
     { (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(2) - (3)].s), 2, (yyvsp[(1) - (3)].sr), (yyvsp[(3) - (3)].sr)); }
     break;
 
   case 244:
+
+/* Line 1455 of yacc.c  */
 #line 2116 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"add"; }
     break;
 
   case 245:
+
+/* Line 1455 of yacc.c  */
 #line 2117 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"sub"; }
     break;
 
   case 246:
+
+/* Line 1455 of yacc.c  */
 #line 2118 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"mul"; }
     break;
 
   case 247:
+
+/* Line 1455 of yacc.c  */
 #line 2119 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"div"; }
     break;
 
   case 248:
+
+/* Line 1455 of yacc.c  */
 #line 2120 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"mod"; }
     break;
 
   case 249:
+
+/* Line 1455 of yacc.c  */
 #line 2121 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"fdiv"; }
     break;
 
   case 250:
+
+/* Line 1455 of yacc.c  */
 #line 2122 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"concat"; }
     break;
 
   case 251:
+
+/* Line 1455 of yacc.c  */
 #line 2123 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"band"; }
     break;
 
   case 252:
+
+/* Line 1455 of yacc.c  */
 #line 2124 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"bor"; }
     break;
 
   case 253:
+
+/* Line 1455 of yacc.c  */
 #line 2125 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"bxor"; }
     break;
 
   case 254:
+
+/* Line 1455 of yacc.c  */
 #line 2126 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"shr"; }
     break;
 
   case 255:
+
+/* Line 1455 of yacc.c  */
 #line 2127 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"shl"; }
     break;
 
   case 256:
+
+/* Line 1455 of yacc.c  */
 #line 2128 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"lsr"; }
     break;
 
   case 257:
+
+/* Line 1455 of yacc.c  */
 #line 2134 "compilers/imcc/imcc.y"
     {
         (yyval.i) = func_ins(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(1) - (4)].sr), (yyvsp[(3) - (4)].s),
@@ -4731,21 +5187,29 @@
     break;
 
   case 258:
+
+/* Line 1455 of yacc.c  */
 #line 2144 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_sub_address(interp, (yyvsp[(1) - (1)].s));       mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 259:
+
+/* Line 1455 of yacc.c  */
 #line 2145 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_sub_address_fromc(interp, (yyvsp[(1) - (1)].s)); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 260:
+
+/* Line 1455 of yacc.c  */
 #line 2146 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_sub_address_u(interp, (yyvsp[(1) - (1)].s));     mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 261:
+
+/* Line 1455 of yacc.c  */
 #line 2148 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = (yyvsp[(1) - (1)].sr);
@@ -4755,6 +5219,8 @@
     break;
 
   case 262:
+
+/* Line 1455 of yacc.c  */
 #line 2154 "compilers/imcc/imcc.y"
     {
             /* disallow bareword method names; SREG name constants are fine */
@@ -4772,6 +5238,8 @@
     break;
 
   case 263:
+
+/* Line 1455 of yacc.c  */
 #line 2168 "compilers/imcc/imcc.y"
     {
             IMCC_INFO(interp)->cur_obj = (yyvsp[(1) - (3)].sr);
@@ -4781,6 +5249,8 @@
     break;
 
   case 264:
+
+/* Line 1455 of yacc.c  */
 #line 2174 "compilers/imcc/imcc.y"
     {
             IMCC_INFO(interp)->cur_obj = (yyvsp[(1) - (3)].sr);
@@ -4790,11 +5260,15 @@
     break;
 
   case 265:
+
+/* Line 1455 of yacc.c  */
 #line 2179 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->cur_obj = (yyvsp[(1) - (3)].sr); (yyval.sr) = (yyvsp[(3) - (3)].sr); }
     break;
 
   case 266:
+
+/* Line 1455 of yacc.c  */
 #line 2185 "compilers/imcc/imcc.y"
     {
            (yyval.i) = IMCC_create_itcall_label(interp);
@@ -4803,16 +5277,22 @@
     break;
 
   case 267:
+
+/* Line 1455 of yacc.c  */
 #line 2189 "compilers/imcc/imcc.y"
     { (yyval.i) = (yyvsp[(2) - (5)].i); }
     break;
 
   case 268:
+
+/* Line 1455 of yacc.c  */
 #line 2193 "compilers/imcc/imcc.y"
     { (yyval.sr) = 0; }
     break;
 
   case 269:
+
+/* Line 1455 of yacc.c  */
 #line 2195 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = 0;
@@ -4826,6 +5306,8 @@
     break;
 
   case 270:
+
+/* Line 1455 of yacc.c  */
 #line 2205 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = 0;
@@ -4839,6 +5321,8 @@
     break;
 
   case 271:
+
+/* Line 1455 of yacc.c  */
 #line 2215 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = 0;
@@ -4849,6 +5333,8 @@
     break;
 
   case 272:
+
+/* Line 1455 of yacc.c  */
 #line 2222 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = 0;
@@ -4857,6 +5343,8 @@
     break;
 
   case 273:
+
+/* Line 1455 of yacc.c  */
 #line 2227 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = 0;
@@ -4867,51 +5355,71 @@
     break;
 
   case 274:
+
+/* Line 1455 of yacc.c  */
 #line 2236 "compilers/imcc/imcc.y"
     { (yyval.sr) = (yyvsp[(1) - (2)].sr); (yyval.sr)->type |= (yyvsp[(2) - (2)].t); }
     break;
 
   case 275:
+
+/* Line 1455 of yacc.c  */
 #line 2240 "compilers/imcc/imcc.y"
     { (yyval.t) = 0; }
     break;
 
   case 276:
+
+/* Line 1455 of yacc.c  */
 #line 2241 "compilers/imcc/imcc.y"
     { (yyval.t) = (yyvsp[(1) - (2)].t) | (yyvsp[(2) - (2)].t); }
     break;
 
   case 277:
+
+/* Line 1455 of yacc.c  */
 #line 2245 "compilers/imcc/imcc.y"
     { (yyval.t) = VT_FLAT;     }
     break;
 
   case 278:
+
+/* Line 1455 of yacc.c  */
 #line 2246 "compilers/imcc/imcc.y"
     { (yyval.t) = VT_NAMED;    }
     break;
 
   case 279:
+
+/* Line 1455 of yacc.c  */
 #line 2247 "compilers/imcc/imcc.y"
     { (yyval.t) = VT_CALL_SIG; }
     break;
 
   case 280:
+
+/* Line 1455 of yacc.c  */
 #line 2250 "compilers/imcc/imcc.y"
     { adv_named_set_u(interp, (yyvsp[(3) - (4)].s)); (yyval.t) = 0; }
     break;
 
   case 281:
+
+/* Line 1455 of yacc.c  */
 #line 2251 "compilers/imcc/imcc.y"
     { adv_named_set(interp, (yyvsp[(3) - (4)].s));   (yyval.t) = 0; }
     break;
 
   case 282:
+
+/* Line 1455 of yacc.c  */
 #line 2255 "compilers/imcc/imcc.y"
     { (yyval.sr) = (yyvsp[(1) - (2)].sr); (yyval.sr)->type |= (yyvsp[(2) - (2)].t); }
     break;
 
   case 283:
+
+/* Line 1455 of yacc.c  */
 #line 2260 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = 0;
@@ -4925,6 +5433,8 @@
     break;
 
   case 284:
+
+/* Line 1455 of yacc.c  */
 #line 2270 "compilers/imcc/imcc.y"
     {
             add_pcc_named_result(IMCC_INFO(interp)->cur_call,
@@ -4934,6 +5444,8 @@
     break;
 
   case 285:
+
+/* Line 1455 of yacc.c  */
 #line 2276 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = 0;
@@ -4947,6 +5459,8 @@
     break;
 
   case 286:
+
+/* Line 1455 of yacc.c  */
 #line 2286 "compilers/imcc/imcc.y"
     {
            add_pcc_named_result(IMCC_INFO(interp)->cur_call, mk_const(interp, (yyvsp[(1) - (3)].s), 'S'), (yyvsp[(3) - (3)].sr));
@@ -4955,21 +5469,29 @@
     break;
 
   case 287:
+
+/* Line 1455 of yacc.c  */
 #line 2290 "compilers/imcc/imcc.y"
     { (yyval.sr) = 0; }
     break;
 
   case 288:
+
+/* Line 1455 of yacc.c  */
 #line 2294 "compilers/imcc/imcc.y"
     { (yyval.i) = (yyvsp[(1) - (1)].i); }
     break;
 
   case 289:
+
+/* Line 1455 of yacc.c  */
 #line 2295 "compilers/imcc/imcc.y"
     { (yyval.i) = (yyvsp[(1) - (1)].i); }
     break;
 
   case 290:
+
+/* Line 1455 of yacc.c  */
 #line 2300 "compilers/imcc/imcc.y"
     {
            (yyval.i) =MK_I(interp, IMCC_INFO(interp)->cur_unit, inv_op((yyvsp[(3) - (6)].s)), 3, (yyvsp[(2) - (6)].sr), (yyvsp[(4) - (6)].sr), (yyvsp[(6) - (6)].sr));
@@ -4977,6 +5499,8 @@
     break;
 
   case 291:
+
+/* Line 1455 of yacc.c  */
 #line 2304 "compilers/imcc/imcc.y"
     {
            (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, "unless_null", 2, (yyvsp[(3) - (5)].sr), (yyvsp[(5) - (5)].sr));
@@ -4984,6 +5508,8 @@
     break;
 
   case 292:
+
+/* Line 1455 of yacc.c  */
 #line 2308 "compilers/imcc/imcc.y"
     {
            (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, "unless", 2, (yyvsp[(2) - (4)].sr), (yyvsp[(4) - (4)].sr));
@@ -4991,6 +5517,8 @@
     break;
 
   case 293:
+
+/* Line 1455 of yacc.c  */
 #line 2315 "compilers/imcc/imcc.y"
     {
            (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, "if", 2, (yyvsp[(2) - (4)].sr), (yyvsp[(4) - (4)].sr));
@@ -4998,6 +5526,8 @@
     break;
 
   case 294:
+
+/* Line 1455 of yacc.c  */
 #line 2319 "compilers/imcc/imcc.y"
     {
            (yyval.i) =MK_I(interp, IMCC_INFO(interp)->cur_unit, (yyvsp[(3) - (6)].s), 3, (yyvsp[(2) - (6)].sr), (yyvsp[(4) - (6)].sr), (yyvsp[(6) - (6)].sr));
@@ -5005,6 +5535,8 @@
     break;
 
   case 295:
+
+/* Line 1455 of yacc.c  */
 #line 2323 "compilers/imcc/imcc.y"
     {
            (yyval.i) = MK_I(interp, IMCC_INFO(interp)->cur_unit, "if_null", 2, (yyvsp[(3) - (5)].sr), (yyvsp[(5) - (5)].sr));
@@ -5012,66 +5544,92 @@
     break;
 
   case 296:
+
+/* Line 1455 of yacc.c  */
 #line 2329 "compilers/imcc/imcc.y"
     { (yyval.t) = 0; }
     break;
 
   case 297:
+
+/* Line 1455 of yacc.c  */
 #line 2330 "compilers/imcc/imcc.y"
     { (yyval.t) = 0; }
     break;
 
   case 298:
+
+/* Line 1455 of yacc.c  */
 #line 2334 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"eq"; }
     break;
 
   case 299:
+
+/* Line 1455 of yacc.c  */
 #line 2335 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"ne"; }
     break;
 
   case 300:
+
+/* Line 1455 of yacc.c  */
 #line 2336 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"gt"; }
     break;
 
   case 301:
+
+/* Line 1455 of yacc.c  */
 #line 2337 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"ge"; }
     break;
 
   case 302:
+
+/* Line 1455 of yacc.c  */
 #line 2338 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"lt"; }
     break;
 
   case 303:
+
+/* Line 1455 of yacc.c  */
 #line 2339 "compilers/imcc/imcc.y"
     { (yyval.s) = (char *)"le"; }
     break;
 
   case 306:
+
+/* Line 1455 of yacc.c  */
 #line 2348 "compilers/imcc/imcc.y"
     { (yyval.sr) = NULL; }
     break;
 
   case 307:
+
+/* Line 1455 of yacc.c  */
 #line 2349 "compilers/imcc/imcc.y"
     { (yyval.sr) = (yyvsp[(1) - (1)].sr); }
     break;
 
   case 308:
+
+/* Line 1455 of yacc.c  */
 #line 2353 "compilers/imcc/imcc.y"
     { (yyval.sr) = IMCC_INFO(interp)->regs[0]; }
     break;
 
   case 310:
+
+/* Line 1455 of yacc.c  */
 #line 2358 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->regs[IMCC_INFO(interp)->nargs++] = (yyvsp[(1) - (1)].sr); }
     break;
 
   case 311:
+
+/* Line 1455 of yacc.c  */
 #line 2360 "compilers/imcc/imcc.y"
     {
            IMCC_INFO(interp) -> regs[IMCC_INFO(interp)->nargs++] = (yyvsp[(1) - (4)].sr);
@@ -5082,6 +5640,8 @@
     break;
 
   case 312:
+
+/* Line 1455 of yacc.c  */
 #line 2367 "compilers/imcc/imcc.y"
     {
            IMCC_INFO(interp) -> regs[IMCC_INFO(interp)->nargs++] = (yyvsp[(2) - (3)].sr);
@@ -5090,36 +5650,50 @@
     break;
 
   case 314:
+
+/* Line 1455 of yacc.c  */
 #line 2374 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_sub_address_fromc(interp, (yyvsp[(1) - (1)].s)); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 315:
+
+/* Line 1455 of yacc.c  */
 #line 2375 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_sub_address_u(interp, (yyvsp[(1) - (1)].s));  mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 316:
+
+/* Line 1455 of yacc.c  */
 #line 2379 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_sub_address(interp, (yyvsp[(1) - (1)].s)); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 317:
+
+/* Line 1455 of yacc.c  */
 #line 2380 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_sub_address(interp, (yyvsp[(1) - (1)].s)); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 318:
+
+/* Line 1455 of yacc.c  */
 #line 2384 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_label_address(interp, (yyvsp[(1) - (1)].s)); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 319:
+
+/* Line 1455 of yacc.c  */
 #line 2385 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_label_address(interp, (yyvsp[(1) - (1)].s)); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 324:
+
+/* Line 1455 of yacc.c  */
 #line 2399 "compilers/imcc/imcc.y"
     {
            IMCC_INFO(interp)->nkeys    = 0;
@@ -5127,6 +5701,8 @@
     break;
 
   case 325:
+
+/* Line 1455 of yacc.c  */
 #line 2403 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = link_keys(interp,
@@ -5136,6 +5712,8 @@
     break;
 
   case 326:
+
+/* Line 1455 of yacc.c  */
 #line 2411 "compilers/imcc/imcc.y"
     {
            IMCC_INFO(interp)->nkeys = 0;
@@ -5143,6 +5721,8 @@
     break;
 
   case 327:
+
+/* Line 1455 of yacc.c  */
 #line 2415 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = link_keys(interp,
@@ -5152,11 +5732,15 @@
     break;
 
   case 328:
+
+/* Line 1455 of yacc.c  */
 #line 2423 "compilers/imcc/imcc.y"
     { IMCC_INFO(interp)->keys[IMCC_INFO(interp)->nkeys++] = (yyvsp[(1) - (1)].sr); }
     break;
 
   case 329:
+
+/* Line 1455 of yacc.c  */
 #line 2425 "compilers/imcc/imcc.y"
     {
            IMCC_INFO(interp)->keys[IMCC_INFO(interp)->nkeys++] = (yyvsp[(3) - (3)].sr);
@@ -5165,6 +5749,8 @@
     break;
 
   case 330:
+
+/* Line 1455 of yacc.c  */
 #line 2433 "compilers/imcc/imcc.y"
     {
            (yyval.sr) = (yyvsp[(1) - (1)].sr);
@@ -5172,53 +5758,72 @@
     break;
 
   case 331:
+
+/* Line 1455 of yacc.c  */
 #line 2439 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_symreg(interp, (yyvsp[(1) - (1)].s), 'I'); }
     break;
 
   case 332:
+
+/* Line 1455 of yacc.c  */
 #line 2440 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_symreg(interp, (yyvsp[(1) - (1)].s), 'N'); }
     break;
 
   case 333:
+
+/* Line 1455 of yacc.c  */
 #line 2441 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_symreg(interp, (yyvsp[(1) - (1)].s), 'S'); }
     break;
 
   case 334:
+
+/* Line 1455 of yacc.c  */
 #line 2442 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_symreg(interp, (yyvsp[(1) - (1)].s), 'P'); }
     break;
 
   case 335:
+
+/* Line 1455 of yacc.c  */
 #line 2443 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_pasm_reg(interp, (yyvsp[(1) - (1)].s)); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 336:
+
+/* Line 1455 of yacc.c  */
 #line 2447 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_const(interp, (yyvsp[(1) - (1)].s), 'I'); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 337:
+
+/* Line 1455 of yacc.c  */
 #line 2448 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_const(interp, (yyvsp[(1) - (1)].s), 'N'); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 338:
+
+/* Line 1455 of yacc.c  */
 #line 2449 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_const(interp, (yyvsp[(1) - (1)].s), 'S'); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
   case 339:
+
+/* Line 1455 of yacc.c  */
 #line 2450 "compilers/imcc/imcc.y"
     { (yyval.sr) = mk_const(interp, (yyvsp[(1) - (1)].s), 'U'); mem_sys_free((yyvsp[(1) - (1)].s)); }
     break;
 
 
-/* Line 1267 of yacc.c.  */
-#line 5211 "compilers/imcc/imcparser.c"
+
+/* Line 1455 of yacc.c  */
+#line 5816 "compilers/imcc/imcparser.c"
       default: break;
     }
   YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
@@ -5229,7 +5834,6 @@
 
   *++yyvsp = yyval;
 
-
   /* Now `shift' the result of the reduction.  Determine what state
      that goes to, based on the state we popped back to and the rule
      number reduced by.  */
@@ -5294,7 +5898,7 @@
 
   if (yyerrstatus == 3)
     {
-      /* If just tried and failed to reuse look-ahead token after an
+      /* If just tried and failed to reuse lookahead token after an
 	 error, discard it.  */
 
       if (yychar <= YYEOF)
@@ -5311,7 +5915,7 @@
 	}
     }
 
-  /* Else will try to reuse look-ahead token after shifting the error
+  /* Else will try to reuse lookahead token after shifting the error
      token.  */
   goto yyerrlab1;
 
@@ -5368,9 +5972,6 @@
       YY_STACK_PRINT (yyss, yyssp);
     }
 
-  if (yyn == YYFINAL)
-    YYACCEPT;
-
   *++yyvsp = yylval;
 
 
@@ -5395,7 +5996,7 @@
   yyresult = 1;
   goto yyreturn;
 
-#ifndef yyoverflow
+#if !defined(yyoverflow) || YYERROR_VERBOSE
 /*-------------------------------------------------.
 | yyexhaustedlab -- memory exhaustion comes here.  |
 `-------------------------------------------------*/
@@ -5406,7 +6007,7 @@
 #endif
 
 yyreturn:
-  if (yychar != YYEOF && yychar != YYEMPTY)
+  if (yychar != YYEMPTY)
      yydestruct ("Cleanup: discarding lookahead",
 		 yytoken, &yylval, yyscanner, interp);
   /* Do not reclaim the symbols of the rule which action triggered
@@ -5432,6 +6033,8 @@
 }
 
 
+
+/* Line 1675 of yacc.c  */
 #line 2456 "compilers/imcc/imcc.y"
 
 

Modified: trunk/compilers/imcc/imcparser.h
==============================================================================
--- trunk/compilers/imcc/imcparser.h	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/compilers/imcc/imcparser.h	Sun Dec 20 12:30:38 2009	(r43175)
@@ -9,27 +9,26 @@
  */
 /* HEADERIZER HFILE: none */
 /* HEADERIZER STOP */
-/* A Bison parser, made by GNU Bison 2.3.  */
 
-/* Skeleton interface for Bison's Yacc-like parsers in C
+/* A Bison parser, made by GNU Bison 2.4.1.  */
 
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+/* Skeleton interface for Bison's Yacc-like parsers in C
+   
+      Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
-
-   This program is free software; you can redistribute it and/or modify
+   
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+   
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-
+   
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* As a special exception, you may create a larger work that contains
    part or all of the Bison parser skeleton and distribute that work
@@ -40,10 +39,11 @@
    special exception, which will cause the skeleton and the resulting
    Bison output files to be licensed under the GNU General Public
    License without this special exception.
-
+   
    This special exception was added by the Free Software Foundation in
    version 2.2 of Bison.  */
 
+
 /* Tokens.  */
 #ifndef YYTOKENTYPE
 # define YYTOKENTYPE
@@ -297,21 +297,27 @@
 
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
-#line 1059 "compilers/imcc/imcc.y"
 {
+
+/* Line 1676 of yacc.c  */
+#line 1059 "compilers/imcc/imcc.y"
+
     IdList * idlist;
     int t;
     char * s;
     SymReg * sr;
     Instruction *i;
-}
-/* Line 1489 of yacc.c.  */
-#line 299 "compilers/imcc/imcparser.h"
-	YYSTYPE;
+
+
+
+/* Line 1676 of yacc.c  */
+#line 304 "compilers/imcc/imcparser.h"
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
-# define YYSTYPE_IS_TRIVIAL 1
 #endif
 
 
 
+

Modified: trunk/compilers/imcc/instructions.c
==============================================================================
--- trunk/compilers/imcc/instructions.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/compilers/imcc/instructions.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -9,7 +9,7 @@
 #include "imc.h"
 #include "pbc.h"
 #include "optimizer.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /*
 

Modified: trunk/compilers/imcc/main.c
==============================================================================
--- trunk/compilers/imcc/main.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/compilers/imcc/main.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -34,7 +34,7 @@
 #include "parrot/longopt.h"
 #include "parrot/imcc.h"
 #include "parrot/runcore_api.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "pbc.h"
 #include "parser.h"
 

Modified: trunk/compilers/imcc/optimizer.c
==============================================================================
--- trunk/compilers/imcc/optimizer.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/compilers/imcc/optimizer.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -73,7 +73,7 @@
 #include "imc.h"
 #include "pbc.h"
 #include "optimizer.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: compilers/imcc/optimizer.h */
 

Modified: trunk/compilers/imcc/parser_util.c
==============================================================================
--- trunk/compilers/imcc/parser_util.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/compilers/imcc/parser_util.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -22,7 +22,7 @@
 #include "parrot/dynext.h"
 #include "parrot/embed.h"
 #include "pmc/pmc_sub.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "pbc.h"
 #include "parser.h"
 #include "optimizer.h"

Modified: trunk/compilers/imcc/pbc.c
==============================================================================
--- trunk/compilers/imcc/pbc.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/compilers/imcc/pbc.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -7,7 +7,7 @@
 #include "pbc.h"
 #include "parrot/packfile.h"
 #include "pmc/pmc_sub.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: compilers/imcc/pbc.h */
 

Modified: trunk/config/auto/pmc.pm
==============================================================================
--- trunk/config/auto/pmc.pm	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/config/auto/pmc.pm	Sun Dec 20 12:30:38 2009	(r43175)
@@ -102,7 +102,7 @@
 
 src/pmc/$pmc\$(O): include/pmc/pmc_${pmc}.h src/pmc/$pmc.str \$(NONGEN_HEADERS) \\
     $parent_headers $include_headers include/pmc/pmc_continuation.h \\
-    include/pmc/pmc_context.h include/pmc/pmc_fixedintegerarray.h
+    include/pmc/pmc_callcontext.h include/pmc/pmc_fixedintegerarray.h
 
 END
     }

Modified: trunk/config/gen/makefiles/root.in
==============================================================================
--- trunk/config/gen/makefiles/root.in	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/config/gen/makefiles/root.in	Sun Dec 20 12:30:38 2009	(r43175)
@@ -846,7 +846,7 @@
 $(INC_DIR)/extend.h : $(INC_DIR)/extend_vtable.h
 
 $(INC_DIR)/parrot.h  : $(INC_DIR)/context.h
-$(INC_DIR)/context.h : $(PMC_INC_DIR)/pmc/pmc_context.h
+$(INC_DIR)/context.h : $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(INC_DIR)/pbcversion.h :
 	$(PERL) $(BUILD_TOOLS_DIR)/pbcversion_h.pl > $(INC_DIR)/pbcversion.h
@@ -875,12 +875,13 @@
 
 $(SRC_DIR)/null_config$(O) : $(INC_DIR)/parrot.h $(SRC_DIR)/null_config.c
 
-$(SRC_DIR)/oo$(O) : $(INC_DIR)/parrot.h $(PMC_INC_DIR)/pmc/pmc_class.h $(PMC_INC_DIR)/pmc/pmc_object.h $(PMC_INC_DIR)/pmc/pmc_context.h $(INC_DIR)/pbcversion.h $(SRC_DIR)/oo.str
+$(SRC_DIR)/oo$(O) : $(INC_DIR)/parrot.h $(PMC_INC_DIR)/pmc/pmc_class.h $(PMC_INC_DIR)/pmc/pmc_object.h $(PMC_INC_DIR)/pmc/pmc_callcontext.h $(INC_DIR)/pbcversion.h $(SRC_DIR)/oo.str
+
 
 $(SRC_DIR)/scheduler$(O) : $(INC_DIR)/parrot.h \
                            $(SRC_DIR)/scheduler.str   \
                            $(SRC_DIR)/pmc/scheduler.c \
-                           $(PMC_INC_DIR)/pmc/pmc_context.h \
+                           $(PMC_INC_DIR)/pmc/pmc_callcontext.h \
                            $(PMC_INC_DIR)/pmc/pmc_scheduler.h \
                            $(PMC_INC_DIR)/pmc/pmc_task.h \
                            $(PMC_INC_DIR)/pmc/pmc_timer.h \
@@ -1074,16 +1075,16 @@
 
 $(SRC_DIR)/extend_vtable$(O) : $(INC_DIR)/parrot.h
 
-$(SRC_DIR)/global_setup$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/global_setup.str $(PMC_INC_DIR)/pmc/pmc_context.h
+$(SRC_DIR)/global_setup$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/global_setup.str $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/global$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/global.str \
-	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/pmc$(O) : $(GENERAL_H_FILES) $(PMC_INC_DIR)/pmc/pmc_class.h \
-	$(SRC_DIR)/pmc.str $(PMC_INC_DIR)/pmc/pmc_context.h
+	$(SRC_DIR)/pmc.str $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/pmc_freeze$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/pmc_freeze.str \
-	$(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/hash$(O) : $(GENERAL_H_FILES) $(PMC_INC_DIR)/pmc/pmc_key.h
 
@@ -1095,7 +1096,7 @@
 	$(PERL) $(BUILD_TOOLS_DIR)/vtable_extend.pl
 
 $(SRC_DIR)/key$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/key.str \
-        $(PMC_INC_DIR)/pmc/pmc_key.h $(PMC_INC_DIR)/pmc/pmc_context.h
+        $(PMC_INC_DIR)/pmc/pmc_key.h $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/gc/mark_sweep$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/gc/gc_private.h
 
@@ -1110,7 +1111,7 @@
 $(SRC_DIR)/gc/alloc_resources$(O) : $(GENERAL_H_FILES) \
         $(SRC_DIR)/gc/gc_private.h
 
-$(SRC_DIR)/hll$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/hll.str $(PMC_INC_DIR)/pmc/pmc_context.h
+$(SRC_DIR)/hll$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/hll.str $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/platform$(O) : $(GENERAL_H_FILES)
 
@@ -1119,16 +1120,16 @@
 $(SRC_DIR)/core_pmcs$(O) : $(GENERAL_H_FILES)
 
 $(SRC_DIR)/runcore/trace$(O) : $(GENERAL_H_FILES) $(PMC_INC_DIR)/pmc/pmc_sub.h \
-        $(PMC_INC_DIR)/pmc/pmc_context.h
+        $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/debug$(O) : $(GENERAL_H_FILES) $(INC_DIR)/debugger.h \
     $(SRC_DIR)/debug.str $(PMC_INC_DIR)/pmc/pmc_key.h \
     $(PMC_INC_DIR)/pmc/pmc_continuation.h \
-    $(PMC_INC_DIR)/pmc/pmc_context.h
+    $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/sub$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/sub.str \
 	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_continuation.h \
-	$(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/string/api$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/string/api.str \
         $(SRC_DIR)/string/private_cstring.h
@@ -1138,11 +1139,11 @@
 $(SRC_DIR)/longopt$(O) : $(GENERAL_H_FILES)
 
 $(SRC_DIR)/dynext$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/dynext.str \
-	$(PMC_INC_DIR)/pmc/pmc_parrotlibrary.h $(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_parrotlibrary.h $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/exceptions$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/exceptions.str \
 	$(PMC_INC_DIR)/pmc/pmc_continuation.h \
-	$(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/events$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/events.str
 
@@ -1150,45 +1151,45 @@
 	$(PMC_INC_DIR)/pmc/pmc_parrotinterpreter.h
 
 $(SRC_DIR)/extend$(O) : $(GENERAL_H_FILES) $(INC_DIR)/extend.h \
-	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/runcore/main$(O) : $(SRC_DIR)/runcore/main.c \
 	$(SRC_DIR)/runcore/main.str $(GENERAL_H_FILES) \
 	$(PMC_INC_DIR)/pmc/pmc_parrotlibrary.h \
-	$(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/runcore/profiling$(O) : $(SRC_DIR)/runcore/profiling.str $(GENERAL_H_FILES) \
 	$(PMC_INC_DIR)/pmc/pmc_sub.h \
-	$(PMC_INC_DIR)/pmc/pmc_context.h \
+	$(PMC_INC_DIR)/pmc/pmc_callcontext.h \
 	$(PMC_INC_DIR)/pmc/pmc_namespace.h
 
 $(SRC_DIR)/call/args$(O) : $(SRC_DIR)/call/args.c $(GENERAL_H_FILES) \
 	$(SRC_DIR)/call/args.str \
-	$(PMC_INC_DIR)/pmc/pmc_key.h $(PMC_INC_DIR)/pmc/pmc_callsignature.h \
-	$(PMC_INC_DIR)/pmc/pmc_fixedintegerarray.h $(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_key.h $(PMC_INC_DIR)/pmc/pmc_callcontext.h \
+	$(PMC_INC_DIR)/pmc/pmc_fixedintegerarray.h $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/call/context_accessors$(O): $(GENERAL_H_FILES) \
-	$(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/call/pcc$(O) : $(SRC_DIR)/call/pcc.c $(GENERAL_H_FILES) \
 	$(SRC_DIR)/call/pcc.str $(PMC_INC_DIR)/pmc/pmc_fixedintegerarray.h \
 	$(PMC_INC_DIR)/pmc/pmc_key.h $(PMC_INC_DIR)/pmc/pmc_continuation.h \
-	$(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/call/context$(O) : $(SRC_DIR)/call/context.c $(GENERAL_H_FILES) \
-	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/interp/inter_cb$(O) : $(SRC_DIR)/interp/inter_cb.c \
 	$(GENERAL_H_FILES) $(SRC_DIR)/interp/inter_cb.str
 
 $(SRC_DIR)/interp/inter_misc$(O) : $(SRC_DIR)/interp/inter_misc.c \
 	$(GENERAL_H_FILES) $(SRC_DIR)/interp/inter_misc.str \
-	$(PMC_INC_DIR)/pmc/pmc_context.h \
+	$(PMC_INC_DIR)/pmc/pmc_callcontext.h \
 	compilers/imcc/imc.h
 
 $(SRC_DIR)/interp/inter_create$(O) : $(SRC_DIR)/interp/inter_create.c \
 	$(GENERAL_H_FILES) $(SRC_DIR)/interp/inter_create.str \
-	$(PMC_INC_DIR)/pmc/pmc_context.h \
+	$(PMC_INC_DIR)/pmc/pmc_callcontext.h \
 	compilers/imcc/imc.h
 
 $(SRC_DIR)/call/ops$(O) : $(SRC_DIR)/call/ops.c $(GENERAL_H_FILES) \
@@ -1212,11 +1213,11 @@
 
 $(SRC_DIR)/multidispatch$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/multidispatch.str \
 	$(PMC_INC_DIR)/pmc/pmc_nci.h $(PMC_INC_DIR)/pmc/pmc_sub.h \
-	$(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/packfile$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/packfile.str \
 	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_key.h \
-        $(PMC_INC_DIR)/pmc/pmc_context.h compilers/imcc/imc.h
+        $(PMC_INC_DIR)/pmc/pmc_callcontext.h compilers/imcc/imc.h
 
 $(PF_DIR)/pf_items$(O) : $(GENERAL_H_FILES)
 
@@ -1225,12 +1226,12 @@
 $(SRC_DIR)/parrot$(O) : $(GENERAL_H_FILES)
 
 $(SRC_DIR)/runcore/cores$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/runcore/cores.str \
-	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_context.h
+	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/tsq$(O) : $(GENERAL_H_FILES)
 
 $(SRC_DIR)/embed$(O) : $(GENERAL_H_FILES) $(INC_DIR)/debugger.h \
-	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_context.h \
+	$(PMC_INC_DIR)/pmc/pmc_sub.h $(PMC_INC_DIR)/pmc/pmc_callcontext.h \
         compilers/imcc/imc.h
 
 $(SRC_DIR)/dataypes$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/dataypes.c
@@ -1239,7 +1240,7 @@
 
 $(SRC_DIR)/nci$(O) : $(GENERAL_H_FILES) $(SRC_DIR)/nci.c $(SRC_DIR)/nci.str \
         $(SRC_DIR)/frame_builder.h \
-        $(PMC_INC_DIR)/pmc/pmc_context.h \
+        $(PMC_INC_DIR)/pmc/pmc_callcontext.h \
         $(PMC_INC_DIR)/pmc/pmc_unmanagedstruct.h \
         $(PMC_INC_DIR)/pmc/pmc_managedstruct.h \
         $(PMC_INC_DIR)/pmc/pmc_nci.h \
@@ -1260,7 +1261,7 @@
 	$(PMC_INC_DIR)/pmc/pmc_nci.h
 	$(PERL) $(BUILD_TOOLS_DIR)/nativecall.pl $(SRC_DIR)/call_list.txt
 
-$(SRC_DIR)/warnings$(O) : $(GENERAL_H_FILES) $(PMC_INC_DIR)/pmc/pmc_context.h
+$(SRC_DIR)/warnings$(O) : $(GENERAL_H_FILES) $(PMC_INC_DIR)/pmc/pmc_callcontext.h
 
 $(SRC_DIR)/misc$(O) : $(GENERAL_H_FILES)
 

Modified: trunk/include/parrot/call.h
==============================================================================
--- trunk/include/parrot/call.h	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/include/parrot/call.h	Sun Dec 20 12:30:38 2009	(r43175)
@@ -464,6 +464,12 @@
         __attribute__nonnull__(1)
         __attribute__nonnull__(2);
 
+PARROT_CANNOT_RETURN_NULL
+PARROT_WARN_UNUSED_RESULT
+PMC * Parrot_pcc_allocate_empty_context(PARROT_INTERP,
+    ARGIN_NULLOK(PMC *old))
+        __attribute__nonnull__(1);
+
 void Parrot_pcc_allocate_registers(PARROT_INTERP,
     ARGIN(PMC *pmcctx),
     ARGIN(const INTVAL *number_regs_used))
@@ -477,6 +483,14 @@
 
 PARROT_CANNOT_RETURN_NULL
 PARROT_WARN_UNUSED_RESULT
+PMC * Parrot_pcc_init_context(PARROT_INTERP,
+    ARGIN(PMC *ctx),
+    ARGIN_NULLOK(PMC *old))
+        __attribute__nonnull__(1)
+        __attribute__nonnull__(2);
+
+PARROT_CANNOT_RETURN_NULL
+PARROT_WARN_UNUSED_RESULT
 PMC * Parrot_set_new_context(PARROT_INTERP,
     ARGIN(const INTVAL *number_regs_used))
         __attribute__nonnull__(1)
@@ -538,6 +552,9 @@
 #define ASSERT_ARGS_Parrot_alloc_context __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
        PARROT_ASSERT_ARG(interp) \
     , PARROT_ASSERT_ARG(number_regs_used))
+#define ASSERT_ARGS_Parrot_pcc_allocate_empty_context \
+     __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
+       PARROT_ASSERT_ARG(interp))
 #define ASSERT_ARGS_Parrot_pcc_allocate_registers __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
        PARROT_ASSERT_ARG(interp) \
     , PARROT_ASSERT_ARG(pmcctx) \
@@ -545,6 +562,9 @@
 #define ASSERT_ARGS_Parrot_pcc_free_registers __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
        PARROT_ASSERT_ARG(interp) \
     , PARROT_ASSERT_ARG(pmcctx))
+#define ASSERT_ARGS_Parrot_pcc_init_context __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
+       PARROT_ASSERT_ARG(interp) \
+    , PARROT_ASSERT_ARG(ctx))
 #define ASSERT_ARGS_Parrot_set_new_context __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
        PARROT_ASSERT_ARG(interp) \
     , PARROT_ASSERT_ARG(number_regs_used))

Modified: trunk/include/parrot/context.h
==============================================================================
--- trunk/include/parrot/context.h	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/include/parrot/context.h	Sun Dec 20 12:30:38 2009	(r43175)
@@ -24,8 +24,8 @@
     INTVAL       *regs_i;
 } Regs_ni;
 
-#include <pmc/pmc_context.h>
-typedef struct Parrot_Context_attributes Parrot_Context;
+#include <pmc/pmc_callcontext.h>
+typedef struct Parrot_CallContext_attributes Parrot_Context;
 
 /*
  * Macros to make accessing registers more convenient/readable.

Modified: trunk/lib/Parrot/OpTrans/C.pm
==============================================================================
--- trunk/lib/Parrot/OpTrans/C.pm	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/lib/Parrot/OpTrans/C.pm	Sun Dec 20 12:30:38 2009	(r43175)
@@ -52,7 +52,7 @@
 sub defines {
     my $type = __PACKAGE__;
     return <<END;
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* defines - $0 -> $type */
 #undef CONST

Modified: trunk/lib/Parrot/Ops2c/Utils.pm
==============================================================================
--- trunk/lib/Parrot/Ops2c/Utils.pm	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/lib/Parrot/Ops2c/Utils.pm	Sun Dec 20 12:30:38 2009	(r43175)
@@ -551,7 +551,7 @@
     print $fh <<END_C;
 #include "$self->{include}"
 #include "pmc/pmc_parrotlibrary.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 $self->{defines}
 

Modified: trunk/lib/Parrot/Pmc2c/PMCEmitter.pm
==============================================================================
--- trunk/lib/Parrot/Pmc2c/PMCEmitter.pm	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/lib/Parrot/Pmc2c/PMCEmitter.pm	Sun Dec 20 12:30:38 2009	(r43175)
@@ -77,7 +77,7 @@
 
     # The PCC code needs Continuation-related macros from these headers.
     $c->emit("#include \"pmc/pmc_continuation.h\"\n");
-    $c->emit("#include \"pmc/pmc_context.h\"\n");
+    $c->emit("#include \"pmc/pmc_callcontext.h\"\n");
 
     $c->emit( $self->preamble );
 

Modified: trunk/src/call/args.c
==============================================================================
--- trunk/src/call/args.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/call/args.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -24,9 +24,9 @@
 #include "parrot/runcore_api.h"
 #include "args.str"
 #include "pmc/pmc_key.h"
-#include "pmc/pmc_callsignature.h"
+#include "pmc/pmc_callcontext.h"
 #include "pmc/pmc_fixedintegerarray.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/call.h */
 
@@ -555,7 +555,7 @@
 PMC * const raw_sig, opcode_t * const raw_args)>
 
 Take a raw signature and argument list from a set_args opcode and
-convert it to a CallSignature PMC.
+convert it to a CallContext PMC.
 
 =cut
 
@@ -576,12 +576,12 @@
     INTVAL          arg_index;
 
     if (PMC_IS_NULL(signature))
-        call_object = pmc_new(interp, enum_class_CallSignature);
+        call_object = pmc_new(interp, enum_class_CallContext);
     else
         call_object = signature;
 
     /* this macro is much, much faster than the VTABLE STRING comparisons */
-    SETATTR_CallSignature_arg_flags(interp, call_object, raw_sig);
+    SETATTR_CallContext_arg_flags(interp, call_object, raw_sig);
     GETATTR_FixedIntegerArray_size(interp, raw_sig, arg_count);
     GETATTR_FixedIntegerArray_int_array(interp, raw_sig, int_array);
 
@@ -667,7 +667,7 @@
 STRING *name, PMC * const raw_sig, opcode_t * const raw_args, INTVAL arg_index)>
 
 Pulls in the next argument from a set_args opcode, and sets it as the
-value of a named argument in the CallSignature PMC.
+value of a named argument in the CallContext PMC.
 
 =cut
 
@@ -731,7 +731,7 @@
 *aggregate)>
 
 Takes an aggregate PMC and splits it up into individual arguments,
-adding each one to the CallSignature PMC. If the aggregate is an array,
+adding each one to the CallContext PMC. If the aggregate is an array,
 its elements are added as positional arguments. If the aggregate is a
 hash, its key/value pairs are added as named arguments.
 
@@ -782,7 +782,7 @@
 *signature, PMC *raw_sig, opcode_t *raw_args)>
 
 Take a raw signature and argument list from a set_results opcode and
-convert it to a CallSignature PMC. Uses an existing CallSignature PMC if
+convert it to a CallContext PMC. Uses an existing CallContext PMC if
 one was already created for set_args. Otherwise, creates a new one.
 
 =cut
@@ -805,7 +805,7 @@
     INTVAL          arg_count;
 
     if (PMC_IS_NULL(signature))
-        call_object = pmc_new(interp, enum_class_CallSignature);
+        call_object = pmc_new(interp, enum_class_CallContext);
     /* A hack to support 'get_results' as the way of fetching the
      * exception object inside an exception handler. The first argument
      * in the call object is the exception, stick it directly into the
@@ -820,7 +820,7 @@
         call_object = signature;
 
     /* a little encapsulation violation for great speed */
-    SETATTR_CallSignature_return_flags(interp, call_object, raw_sig);
+    SETATTR_CallContext_return_flags(interp, call_object, raw_sig);
 
     GETATTR_FixedIntegerArray_size(interp, raw_sig, arg_count);
     GETATTR_FixedIntegerArray_int_array(interp, raw_sig, int_array);
@@ -871,7 +871,7 @@
 =item C<PMC* Parrot_pcc_build_sig_object_from_varargs(PARROT_INTERP, PMC *obj,
 const char *sig, va_list args)>
 
-Converts a varargs list into a CallSignature PMC. The CallSignature stores the
+Converts a varargs list into a CallContext PMC. The CallContext stores the
 original short signature string and an array of integer types to pass on to the
 multiple dispatch search.
 
@@ -890,7 +890,7 @@
     PMC         *type_tuple         = PMCNULL;
     PMC         *arg_flags     = PMCNULL;
     PMC         *return_flags  = PMCNULL;
-    PMC         * const call_object = pmc_new(interp, enum_class_CallSignature);
+    PMC         * const call_object = pmc_new(interp, enum_class_CallContext);
     const INTVAL sig_len            = strlen(sig);
     INTVAL       in_return_sig      = 0;
     INTVAL       i;
@@ -1237,7 +1237,7 @@
         if (arg_index < positional_args) {
             PMC *arg_sig;
 
-            GETATTR_CallSignature_arg_flags(interp, call_object, arg_sig);
+            GETATTR_CallContext_arg_flags(interp, call_object, arg_sig);
 
             /* We've used up all the positional parameters, but have extra
              * positional args left over. */
@@ -1378,7 +1378,7 @@
         PMC  *named_arg_list;
         Hash *h;
         /* Early exit to avoid vtable call */
-        GETATTR_CallSignature_hash(interp, call_object, h);
+        GETATTR_CallContext_hash(interp, call_object, h);
         if (!h || !h->entries)
             return;
 
@@ -1632,7 +1632,7 @@
         return;
     }
 
-    GETATTR_CallSignature_return_flags(interp, call_object, result_sig);
+    GETATTR_CallContext_return_flags(interp, call_object, result_sig);
 
     result_count = csr_returns_count(interp, call_object);
     PARROT_ASSERT((result_count == 0) || !PMC_IS_NULL(result_sig));
@@ -2422,14 +2422,14 @@
     if (PMC_IS_NULL(parent) || PMC_IS_NULL(tailcall) || (parent == tailcall))
         return;
     else {
-        /* Broke encapuslation. Direct poking into CallSignature is much faster */
+        /* Broke encapuslation. Direct poking into CallContext is much faster */
         void ** returns_values;
         void ** tailcall_returns_values;
         INTVAL  returns_size;
         PMC * return_flags;
 
-        GETATTR_CallSignature_returns_size(interp, parent, returns_size);
-        GETATTR_CallSignature_returns_values(interp, parent, returns_values);
+        GETATTR_CallContext_returns_size(interp, parent, returns_size);
+        GETATTR_CallContext_returns_values(interp, parent, returns_values);
 
         /* Resize tailcall.returns_values to new size */
         tailcall_returns_values = csr_reallocate_return_values(interp, tailcall, returns_size);
@@ -2438,8 +2438,8 @@
         mem_copy_n_typed(tailcall_returns_values, returns_values, returns_size, void**);
 
         /* Store raw signature */
-        GETATTR_CallSignature_return_flags(interp, parent, return_flags);
-        SETATTR_CallSignature_return_flags(interp, tailcall, return_flags);
+        GETATTR_CallContext_return_flags(interp, parent, return_flags);
+        SETATTR_CallContext_return_flags(interp, tailcall, return_flags);
 
     }
 }
@@ -2828,7 +2828,7 @@
 
 /*
 
-VTABLE functions from CallSignatureReturns. TODO Rename them appropriately.
+VTABLE functions from CallContextReturns. TODO Rename them appropriately.
 
 */
 
@@ -2856,8 +2856,8 @@
     void    **values = NULL;
     INTVAL    resize_threshold;
 
-    GETATTR_CallSignature_returns_values(interp, self, values);
-    GETATTR_CallSignature_returns_resize_threshold(interp, self, resize_threshold);
+    GETATTR_CallContext_returns_values(interp, self, values);
+    GETATTR_CallContext_returns_resize_threshold(interp, self, resize_threshold);
 
     /* Empty. Allocate 8 elements (arbitary number) */
     if (!values) {
@@ -2868,12 +2868,12 @@
         values = (void **)Parrot_gc_allocate_fixed_size_storage(interp,
                                  8 * sizeof (void *));
 
-        SETATTR_CallSignature_returns_values(interp, self, values);
-        SETATTR_CallSignature_returns_size(interp, self, size);
-        SETATTR_CallSignature_returns_resize_threshold(interp, self, 8);
+        SETATTR_CallContext_returns_values(interp, self, values);
+        SETATTR_CallContext_returns_size(interp, self, size);
+        SETATTR_CallContext_returns_resize_threshold(interp, self, 8);
     }
     else if (size <= resize_threshold) {
-        SETATTR_CallSignature_returns_size(interp, self, size);
+        SETATTR_CallContext_returns_size(interp, self, size);
     }
     else {
         void   *old_values;
@@ -2898,9 +2898,9 @@
 
         mem_realloc_n_typed(values, cur, void *);
 
-        SETATTR_CallSignature_returns_values(interp, self, values);
-        SETATTR_CallSignature_returns_size(interp, self, size);
-        SETATTR_CallSignature_returns_resize_threshold(interp, self, cur);
+        SETATTR_CallContext_returns_values(interp, self, values);
+        SETATTR_CallContext_returns_size(interp, self, size);
+        SETATTR_CallContext_returns_resize_threshold(interp, self, cur);
     }
 
     return values;
@@ -2921,7 +2921,7 @@
 {
     ASSERT_ARGS(csr_returns_count)
     INTVAL size;
-    GETATTR_CallSignature_returns_size(interp, self, size);
+    GETATTR_CallContext_returns_size(interp, self, size);
     return size;
 }
 
@@ -2949,7 +2949,7 @@
 
     PARROT_ASSERT((type >= 0 && type < 4) || !"Wrong pointer type");
 
-    GETATTR_CallSignature_returns_size(interp, self, size);
+    GETATTR_CallContext_returns_size(interp, self, size);
     values = csr_reallocate_return_values(interp, self, size + 1);
 
     /* Tag pointer */
@@ -3121,10 +3121,10 @@
     void   **values;
     INTVAL   size;
 
-    GETATTR_CallSignature_returns_size(interp, self, size);
+    GETATTR_CallContext_returns_size(interp, self, size);
     PARROT_ASSERT((key < size) || !"Wrong index");
 
-    GETATTR_CallSignature_returns_values(interp, self, values);
+    GETATTR_CallContext_returns_values(interp, self, values);
     return values[key];
 }
 

Modified: trunk/src/call/context.c
==============================================================================
--- trunk/src/call/context.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/call/context.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -17,7 +17,7 @@
 #include "parrot/parrot.h"
 #include "parrot/call.h"
 #include "pmc/pmc_sub.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /*
 
@@ -306,6 +306,15 @@
                            ? NULL
                            : get_context_struct_fast(interp, pmcold);
 
+    PARROT_ASSERT(!PMC_IS_NULL(pmcctx) || !"Can't initialise Null CallContext");
+
+    /*
+     * FIXME Invoking corotine shouldn't initialise context. So just
+     * check ctx->current_sub. If it's not null return from here
+     */
+    if (!PMC_IS_NULL(ctx->current_sub))
+        return;
+
     ctx->current_results   = NULL;
     ctx->results_signature = NULL;
     ctx->lex_pad           = PMCNULL;
@@ -454,7 +463,7 @@
 allocate_registers(PARROT_INTERP, ARGIN(PMC *pmcctx), ARGIN(const INTVAL *number_regs_used))
 {
     ASSERT_ARGS(allocate_registers)
-    Parrot_Context_attributes *ctx = PARROT_CONTEXT(pmcctx);
+    Parrot_CallContext_attributes *ctx = PARROT_CALLCONTEXT(pmcctx);
 
     const size_t size_i = sizeof (INTVAL)   * number_regs_used[REGNO_INT];
     const size_t size_n = sizeof (FLOATVAL) * number_regs_used[REGNO_NUM];
@@ -480,6 +489,8 @@
 
     /* ctx.bp_ps points to S0, which has Px on the left */
     ctx->bp_ps.regs_s = (STRING **)((char *)ctx->registers + size_nip);
+
+    clear_regs(interp, pmcctx);
 }
 
 
@@ -517,7 +528,7 @@
 Parrot_pcc_free_registers(PARROT_INTERP, ARGIN(PMC *pmcctx))
 {
     ASSERT_ARGS(Parrot_pcc_free_registers)
-    Parrot_Context_attributes * const ctx = PARROT_CONTEXT(pmcctx);
+    Parrot_CallContext_attributes * const ctx = PARROT_CALLCONTEXT(pmcctx);
     size_t reg_size;
 
     if (!ctx)
@@ -543,6 +554,8 @@
 the init flag to indicate whether you want to initialize the new context
 (setting its default values and clearing its registers).
 
+TODO: Remove this function!
+
 =cut
 
 */
@@ -554,7 +567,7 @@
     ARGIN_NULLOK(PMC *old))
 {
     ASSERT_ARGS(Parrot_alloc_context)
-    PMC            *pmcctx = pmc_new(interp, enum_class_Context);
+    PMC            *pmcctx = pmc_new(interp, enum_class_CallContext);
 
     allocate_registers(interp, pmcctx, number_regs_used);
     init_context(interp, pmcctx, old);
@@ -565,6 +578,51 @@
 
 /*
 
+=item C<PMC * Parrot_pcc_allocate_empty_context(PARROT_INTERP, PMC *old)>
+
+Allocates and returns a new context.  Does not set this new context as the
+current context.
+
+=cut
+
+*/
+
+PARROT_CANNOT_RETURN_NULL
+PARROT_WARN_UNUSED_RESULT
+PMC *
+Parrot_pcc_allocate_empty_context(PARROT_INTERP, ARGIN_NULLOK(PMC *old))
+{
+    ASSERT_ARGS(Parrot_pcc_allocate_empty_context)
+    PMC            *pmcctx = pmc_new(interp, enum_class_CallContext);
+
+    init_context(interp, pmcctx, old);
+
+    return pmcctx;
+}
+
+/*
+
+=item C<PMC * Parrot_pcc_init_context(PARROT_INTERP, PMC *ctx, PMC *old)>
+
+Initialise new context from old.
+
+=cut
+
+*/
+
+PARROT_CANNOT_RETURN_NULL
+PMC *
+Parrot_pcc_init_context(PARROT_INTERP, ARGIN(PMC *ctx), ARGIN_NULLOK(PMC *old))
+{
+    ASSERT_ARGS(Parrot_pcc_init_context)
+
+    init_context(interp, ctx, old);
+
+    return ctx;
+}
+
+/*
+
 =item C<PMC * Parrot_set_new_context(PARROT_INTERP, const INTVAL
 *number_regs_used)>
 

Modified: trunk/src/call/context_accessors.c
==============================================================================
--- trunk/src/call/context_accessors.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/call/context_accessors.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -16,7 +16,7 @@
 
 #include "parrot/parrot.h"
 #include "parrot/call.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/context.h */
 

Modified: trunk/src/call/pcc.c
==============================================================================
--- trunk/src/call/pcc.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/call/pcc.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -25,7 +25,7 @@
 #include "pcc.str"
 #include "pmc/pmc_key.h"
 #include "pmc/pmc_continuation.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/call.h */
 

Modified: trunk/src/debug.c
==============================================================================
--- trunk/src/debug.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/debug.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -32,7 +32,7 @@
 #include "parrot/runcore_trace.h"
 #include "debug.str"
 #include "pmc/pmc_continuation.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* Hand switched debugger tracing
  * Set to 1 to enable tracing to stderr

Modified: trunk/src/dynext.c
==============================================================================
--- trunk/src/dynext.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/dynext.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -22,7 +22,7 @@
 #include "parrot/dynext.h"
 #include "dynext.str"
 #include "pmc/pmc_parrotlibrary.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/dynext.h */
 

Modified: trunk/src/embed.c
==============================================================================
--- trunk/src/embed.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/embed.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -22,7 +22,7 @@
 #include "parrot/embed.h"
 #include "parrot/oplib/ops.h"
 #include "pmc/pmc_sub.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "parrot/runcore_api.h"
 
 #include "../compilers/imcc/imc.h"

Modified: trunk/src/exceptions.c
==============================================================================
--- trunk/src/exceptions.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/exceptions.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -23,7 +23,7 @@
 #include "parrot/exceptions.h"
 #include "exceptions.str"
 #include "pmc/pmc_continuation.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/exceptions.h */
 

Modified: trunk/src/extend.c
==============================================================================
--- trunk/src/extend.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/extend.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -61,7 +61,7 @@
 #include "parrot/parrot.h"
 #include "parrot/extend.h"
 #include "pmc/pmc_sub.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/extend.h */
 

Modified: trunk/src/global.c
==============================================================================
--- trunk/src/global.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/global.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -21,7 +21,7 @@
 #include "parrot/parrot.h"
 #include "global.str"
 #include "pmc/pmc_sub.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/global.h */
 /* HEADERIZER BEGIN: static */

Modified: trunk/src/global_setup.c
==============================================================================
--- trunk/src/global_setup.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/global_setup.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -23,7 +23,7 @@
 
 #define INSIDE_GLOBAL_SETUP
 #include "parrot/parrot.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "global_setup.str"
 
 /* These functions are defined in the auto-generated file core_pmcs.c */

Modified: trunk/src/hll.c
==============================================================================
--- trunk/src/hll.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/hll.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -31,7 +31,7 @@
 
 #include "parrot/parrot.h"
 #include "parrot/dynext.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "hll.str"
 
 /* HEADERIZER HFILE: include/parrot/hll.h */

Modified: trunk/src/interp/inter_create.c
==============================================================================
--- trunk/src/interp/inter_create.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/interp/inter_create.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -23,7 +23,7 @@
 #include "parrot/runcore_api.h"
 #include "parrot/oplib/core_ops.h"
 #include "../compilers/imcc/imc.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "inter_create.str"
 
 /* HEADERIZER HFILE: include/parrot/interpreter.h */

Modified: trunk/src/interp/inter_misc.c
==============================================================================
--- trunk/src/interp/inter_misc.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/interp/inter_misc.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -23,7 +23,7 @@
 #include "inter_misc.str"
 #include "../compilers/imcc/imc.h"
 #include "parrot/runcore_api.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 #include "parrot/has_header.h"
 

Modified: trunk/src/key.c
==============================================================================
--- trunk/src/key.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/key.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -22,7 +22,7 @@
 #include "parrot/key.h"
 #include "key.str"
 #include "pmc/pmc_key.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/key.h */
 

Modified: trunk/src/multidispatch.c
==============================================================================
--- trunk/src/multidispatch.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/multidispatch.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -44,7 +44,7 @@
 #include "multidispatch.str"
 #include "pmc/pmc_nci.h"
 #include "pmc/pmc_sub.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/multidispatch.h */
 

Modified: trunk/src/oo.c
==============================================================================
--- trunk/src/oo.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/oo.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -24,7 +24,7 @@
 #include "parrot/oo_private.h"
 #include "pmc/pmc_class.h"
 #include "pmc/pmc_object.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 #include "oo.str"
 

Modified: trunk/src/packfile.c
==============================================================================
--- trunk/src/packfile.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/packfile.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -33,7 +33,7 @@
 #include "packfile.str"
 #include "pmc/pmc_sub.h"
 #include "pmc/pmc_key.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/packfile.h */
 

Modified: trunk/src/pmc.c
==============================================================================
--- trunk/src/pmc.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/pmc.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -21,7 +21,7 @@
 #include "parrot/parrot.h"
 #include "pmc.str"
 #include "pmc/pmc_class.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/pmc.h */
 

Copied and modified: trunk/src/pmc/callcontext.pmc (from r43174, trunk/src/pmc/callsignature.pmc)
==============================================================================
--- trunk/src/pmc/callsignature.pmc	Sun Dec 20 09:49:36 2009	(r43174, copy source)
+++ trunk/src/pmc/callcontext.pmc	Sun Dec 20 12:30:38 2009	(r43175)
@@ -4,11 +4,11 @@
 
 =head1 NAME
 
-src/pmc/callsignature.pmc - CallSignature PMC
+src/pmc/callcontext.pmc - CallContext PMC
 
 =head1 DESCRIPTION
 
-The CallSignature PMC is used to store the argument list and argument meta
+The CallContext PMC is used to store the argument list and argument meta
 information for a multiple dispatch call.
 
 =head2 Functions
@@ -81,9 +81,9 @@
     do { \
         INTVAL num_positionals; \
         Pcc_cell *positionals; \
-        GETATTR_CallSignature_num_positionals((i), (obj), num_positionals); \
-        GETATTR_CallSignature_positionals((i), (obj), positionals); \
-        SETATTR_CallSignature_num_positionals((i), (obj), num_positionals+1); \
+        GETATTR_CallContext_num_positionals((i), (obj), num_positionals); \
+        GETATTR_CallContext_positionals((i), (obj), positionals); \
+        SETATTR_CallContext_num_positionals((i), (obj), num_positionals+1); \
         NEXT_CELL(cell) = NULL; \
         if (positionals) { \
             while (NEXT_CELL(positionals)) { \
@@ -92,18 +92,18 @@
             NEXT_CELL(positionals) = (cell); \
         } \
         else \
-            SETATTR_CallSignature_positionals((i), (obj), (cell)); \
+            SETATTR_CallContext_positionals((i), (obj), (cell)); \
     } while (0)
 
 #define PREPEND_CELL(i, obj, cell) \
     do { \
         INTVAL num_positionals; \
         Pcc_cell *positionals; \
-        GETATTR_CallSignature_num_positionals((i), (obj), num_positionals); \
-        GETATTR_CallSignature_positionals((i), (obj), positionals); \
-        SETATTR_CallSignature_num_positionals((i), (obj), num_positionals+1); \
+        GETATTR_CallContext_num_positionals((i), (obj), num_positionals); \
+        GETATTR_CallContext_positionals((i), (obj), positionals); \
+        SETATTR_CallContext_num_positionals((i), (obj), num_positionals+1); \
         NEXT_CELL(cell) = positionals; \
-        SETATTR_CallSignature_positionals((i), (obj), (cell)); \
+        SETATTR_CallContext_positionals((i), (obj), (cell)); \
     } while (0)
 
 #define HLL_TYPE(i) Parrot_get_ctx_HLL_type(interp, (i))
@@ -116,18 +116,18 @@
     Pcc_cell *cell;
     Pcc_cell *prev = NULL;
 
-    GETATTR_CallSignature_positionals(interp, SELF, cell);
+    GETATTR_CallContext_positionals(interp, SELF, cell);
 
     /* no cells */
     if (!cell)
         return NULL;
 
-    GETATTR_CallSignature_num_positionals(interp, SELF, num_positionals);
-    SETATTR_CallSignature_num_positionals(interp, SELF, num_positionals-1);
+    GETATTR_CallContext_num_positionals(interp, SELF, num_positionals);
+    SETATTR_CallContext_num_positionals(interp, SELF, num_positionals-1);
 
     /* one cell */
     if (!NEXT_CELL(cell)) {
-        SETATTR_CallSignature_positionals(interp, SELF, NULL);
+        SETATTR_CallContext_positionals(interp, SELF, NULL);
         return cell;
     }
 
@@ -142,7 +142,7 @@
     }
 
     /* should abort here */
-    SETATTR_CallSignature_num_positionals(interp, SELF, num_positionals+1);
+    SETATTR_CallContext_num_positionals(interp, SELF, num_positionals+1);
     return NULL;
 }
 
@@ -152,20 +152,20 @@
     INTVAL num_positionals;
     Pcc_cell *cell;
 
-    GETATTR_CallSignature_positionals(interp, SELF, cell);
+    GETATTR_CallContext_positionals(interp, SELF, cell);
 
     /* no cells */
     if (!cell)
         return NULL;
 
-    GETATTR_CallSignature_num_positionals(interp, SELF, num_positionals);
-    SETATTR_CallSignature_num_positionals(interp, SELF, num_positionals-1);
+    GETATTR_CallContext_num_positionals(interp, SELF, num_positionals);
+    SETATTR_CallContext_num_positionals(interp, SELF, num_positionals-1);
 
     /* one cell */
     if (!NEXT_CELL(cell))
-        SETATTR_CallSignature_positionals(interp, SELF, NULL);
+        SETATTR_CallContext_positionals(interp, SELF, NULL);
     else
-        SETATTR_CallSignature_positionals(interp, SELF, NEXT_CELL(cell));
+        SETATTR_CallContext_positionals(interp, SELF, NEXT_CELL(cell));
 
     return cell;
 }
@@ -176,12 +176,12 @@
     INTVAL    i, num_positionals;
     Pcc_cell *cell;
 
-    GETATTR_CallSignature_num_positionals(interp, SELF, num_positionals);
+    GETATTR_CallContext_num_positionals(interp, SELF, num_positionals);
 
     if (key > num_positionals)
         return NULL;
 
-    GETATTR_CallSignature_positionals(interp, SELF, cell);
+    GETATTR_CallContext_positionals(interp, SELF, cell);
 
     while (key) {
         /* XXX: shouldn't happen */
@@ -295,7 +295,7 @@
 {
     Hash   *hash;
 
-    GETATTR_CallSignature_hash(interp, SELF, hash);
+    GETATTR_CallContext_hash(interp, SELF, hash);
 
     if (!hash) {
         hash = parrot_create_hash(interp,
@@ -304,7 +304,7 @@
             STRING_compare,
             (hash_hash_key_fn)key_hash_STRING);
 
-        SETATTR_CallSignature_hash(interp, SELF, hash);
+        SETATTR_CallContext_hash(interp, SELF, hash);
     }
 
     return hash;
@@ -358,7 +358,7 @@
     Hash *hash;
     PMC  *result = PMCNULL;
 
-    GETATTR_CallSignature_hash(interp, SELF, hash);
+    GETATTR_CallContext_hash(interp, SELF, hash);
 
     /* yes, this *looks* risky, but it's a Parrot STRING hash internally */
     if (hash && hash->entries) {
@@ -380,7 +380,50 @@
     return result;
 }
 
-pmclass CallSignature provides array provides hash auto_attrs {
+#include "parrot/packfile.h"
+#include "pmc/pmc_sub.h"
+
+pmclass CallContext provides array provides hash auto_attrs {
+    /* Context attributes */
+    ATTR PMC     *caller_ctx;      /* caller context */
+
+    ATTR void    *registers;       /* pointer to allocated registers */
+    ATTR Regs_ni  bp;              /* pointers to FLOATVAL & INTVAL */
+    ATTR Regs_ps  bp_ps;           /* pointers to PMC & STR */
+
+    ATTR UINTVAL  n_regs_used[4];   /* INSP in PBC points to Sub */
+    ATTR PMC      *lex_pad;         /* LexPad PMC */
+    ATTR PMC      *outer_ctx;       /* outer context, if a closure */
+
+    /* new call scheme and introspective variables */
+    ATTR PMC      *current_sub;           /* the Sub we are executing */
+
+    /* for now use a return continuation PMC */
+    ATTR PMC      *handlers;              /* local handlers for the context */
+    ATTR PMC      *current_cont;          /* the return continuation PMC */
+    ATTR PMC      *current_object;        /* current object if a method call */
+    ATTR PMC      *current_namespace;     /* The namespace we're currently in */
+    ATTR PMC      *results_signature;     /* non-const results signature PMC */
+    ATTR opcode_t *current_pc;            /* program counter of Sub invocation */
+    ATTR opcode_t *current_results;       /* ptr into code with get_results opcode */
+    ATTR PMC      *current_sig;           /* temporary CallContext PMC for active call */
+
+    /* deref the constants - we need it all the time */
+    ATTR struct PackFile_Constant **constants;
+
+    ATTR INTVAL                 current_HLL;     /* see also src/hll.c */
+
+    ATTR UINTVAL                warns;           /* Keeps track of what warnings
+                                             * have been activated */
+    ATTR UINTVAL                errors;          /* fatals that can be turned off */
+    ATTR UINTVAL                trace_flags;
+    ATTR UINTVAL                recursion_depth; /* Sub call recursion depth */
+
+    /* code->prederefed.code - code->base.data in opcodes
+     * to simplify conversion between code ptrs in e.g. invoke */
+    ATTR size_t pred_offset;
+
+    /* Storage for arguments */
     ATTR struct Pcc_cell *positionals; /* linked list of positionals */
     ATTR PMC    *type_tuple;           /* Cached argument types for MDD */
     ATTR STRING *short_sig;            /* Simple string sig args & returns */
@@ -397,7 +440,7 @@
 
 =item C<void init()>
 
-Initializes a newly created CallSignature object.
+Initializes a newly created CallContext object.
 
 =cut
 
@@ -430,7 +473,10 @@
         STRING   *short_sig;
         Pcc_cell *positionals;
         INTVAL    num_positionals;
-        PMC      *arg_flags, *type_tuple, *return_flags;
+        PMC      *arg_flags, *type_tuple, *return_flags, *tmp;
+        UINTVAL   i;
+        UINTVAL  *n_regs_used;
+        Regs_ps   bp_ps;
 
         if (!PMC_data(SELF))
             return;
@@ -453,6 +499,55 @@
 
         if (hash)
             mark_hash(INTERP, hash);
+
+        GET_ATTR_caller_ctx(INTERP, SELF, tmp);
+        Parrot_gc_mark_PMC_alive(INTERP, tmp);
+
+        GET_ATTR_lex_pad(INTERP, SELF, tmp);
+        Parrot_gc_mark_PMC_alive(INTERP, tmp);
+
+        GET_ATTR_outer_ctx(INTERP, SELF, tmp);
+        Parrot_gc_mark_PMC_alive(INTERP, tmp);
+
+        GET_ATTR_current_sub(INTERP, SELF, tmp);
+        Parrot_gc_mark_PMC_alive(INTERP, tmp);
+
+        GET_ATTR_handlers(INTERP, SELF, tmp);
+        Parrot_gc_mark_PMC_alive(INTERP, tmp);
+
+        GET_ATTR_current_cont(INTERP, SELF, tmp);
+        Parrot_gc_mark_PMC_alive(INTERP, tmp);
+
+        GET_ATTR_current_object(INTERP, SELF, tmp);
+        Parrot_gc_mark_PMC_alive(INTERP, tmp);
+
+        GET_ATTR_current_namespace(INTERP, SELF, tmp);
+        Parrot_gc_mark_PMC_alive(INTERP, tmp);
+
+        GET_ATTR_results_signature(INTERP, SELF, tmp);
+        Parrot_gc_mark_PMC_alive(INTERP, tmp);
+
+        GET_ATTR_current_sig(INTERP, SELF, tmp);
+        Parrot_gc_mark_PMC_alive(INTERP, tmp);
+
+        GET_ATTR_n_regs_used(INTERP, SELF, n_regs_used);
+        if (!n_regs_used)
+            return;
+
+        GET_ATTR_bp_ps(INTERP, SELF, bp_ps);
+        for (i = 0; i < n_regs_used[REGNO_PMC]; ++i) {
+            PMC *p = bp_ps.regs_p[-1L-(i)];
+            /* Original code from CTX_REG_PMC */
+            if (p)
+                Parrot_gc_mark_PMC_alive(interp, p);
+        }
+
+        for (i = 0; i < n_regs_used[REGNO_STR]; ++i) {
+            STRING *s = bp_ps.regs_s[i];
+            if (s)
+                Parrot_gc_mark_STRING_alive(interp, s);
+        }
+
     }
 
     VTABLE void destroy() {
@@ -503,13 +598,15 @@
             else
                 mem_sys_free(returns_values);
         }
+
+        Parrot_pcc_free_registers(INTERP, SELF);
     }
 
 /*
 
 =item C<void set_string_native(STRING *value)>
 
-Sets the short signature for the CallSignature.
+Sets the short signature for the CallContext.
 
 =cut
 
@@ -523,7 +620,7 @@
 
 =item C<STRING *get_string()>
 
-Returns the short signature for the CallSignature.
+Returns the short signature for the CallContext.
 
 =cut
 
@@ -576,7 +673,7 @@
 
 =item C<void set_pmc(PMC *value)>
 
-Sets a fixed-size array of integer types (a type tuple) for the CallSignature.
+Sets a fixed-size array of integer types (a type tuple) for the CallContext.
 
 =cut
 
@@ -591,7 +688,7 @@
 =item C<PMC *get_pmc()>
 
 Returns a fixed-size array of integer types (a type tuple) for the
-CallSignature.
+CallContext.
 
 =cut
 
@@ -680,6 +777,38 @@
 
 Retrieves the hash of named arguments.
 
+=item caller_ctx
+
+return Caller Context
+
+=item lex_pad
+
+return LexPad
+
+=item outer_ctx
+
+return Outer Context
+
+=item current_sub
+
+return current Sub
+
+=item handlers
+
+return list of ExceptioHandlers
+
+=item current_cont
+
+return current Continuation
+
+=item current_object
+
+return current Object (if in method call)
+
+=item current_namespace
+
+return current Namespace
+
 =back
 
 =cut
@@ -687,16 +816,42 @@
 */
 
     VTABLE PMC *get_attr_str(STRING *key) {
-        PMC *value = PMCNULL;
+        PMC    *value = PMCNULL;
+        INTVAL  hll;
 
-        if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "named"))) {
+        if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "named")))
             value = get_named_names(INTERP, SELF);
-        }
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "arg_flags"))) {
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "arg_flags")))
             GET_ATTR_arg_flags(INTERP, SELF, value);
-        }
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "return_flags"))) {
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "return_flags")))
             GET_ATTR_return_flags(INTERP, SELF, value);
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "caller_ctx")))
+            GET_ATTR_caller_ctx(INTERP, SELF, value);
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "lex_pad")))
+            GET_ATTR_lex_pad(INTERP, SELF, value);
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "outer_ctx")))
+            GET_ATTR_outer_ctx(INTERP, SELF, value);
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_sub")))
+            GET_ATTR_current_sub(INTERP, SELF, value);
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_cont")))
+            GET_ATTR_current_cont(INTERP, SELF, value);
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_object")))
+            GET_ATTR_current_object(INTERP, SELF, value);
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_namespace")))
+            GET_ATTR_current_namespace(INTERP, SELF, value);
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "handlers")))
+            GET_ATTR_handlers(INTERP, SELF, value);
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "results_signature")))
+            GET_ATTR_results_signature(INTERP, SELF, value);
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_HLL"))) {
+            /* This function from src/hash.c. */
+            /* We probably have to move it to more suitable place */
+            GET_ATTR_current_HLL(INTERP, SELF, hll);
+            value = get_integer_pmc(INTERP, hll);
+        }
+        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_hll"))) {
+            GET_ATTR_current_HLL(INTERP, SELF, hll);
+            value = get_string_pmc(INTERP, Parrot_get_HLL_name(INTERP, hll));
         }
         else {
             /* If unknown attribute name, throw an exception. */
@@ -1318,6 +1473,69 @@
         return dest;
     }
 
+
+/*
+
+=item C<PMC *backtrace>
+
+Gets a representation of the backtrace starting from this Context.
+Returns an array of hashes. Each array element represents a caller in
+the backtrace, the most recent caller first. The hash has two keys: C<sub>,
+which holds the PMC representing the sub, and C<annotations> which is a hash
+of the annotations at the point where the exception was thrown for the current
+sub, or for the point of the call a level deeper for the rest.
+
+=cut
+
+*/
+
+    METHOD backtrace(PMC *resume :optional, INTVAL has_resume :opt_flag) {
+        PMC *result  = pmc_new(interp, enum_class_ResizablePMCArray);
+        PMC *cur_ctx = SELF;
+        Parrot_Continuation_attributes *cont = has_resume ? PMC_cont(resume) : NULL;
+
+        /* Get starting context, then loop over them. */
+        while (cur_ctx) {
+            PMC        *frame       = pmc_new(interp, enum_class_Hash);
+            PMC        *annotations = NULL;
+            Parrot_Sub_attributes *sub;
+
+            /* Get sub and put it in the hash. */
+            PMC *sub_pmc = Parrot_pcc_get_sub(interp, cur_ctx);
+
+            if (!sub_pmc)
+                sub_pmc = PMCNULL;
+
+            VTABLE_set_pmc_keyed_str(interp, frame, CONST_STRING(interp, "sub"), sub_pmc);
+
+            /* Look up any annotations and put them in the hash. */
+            if (!PMC_IS_NULL(sub_pmc)) {
+                PMC_get_sub(interp, sub_pmc, sub);
+
+                if (sub->seg->annotations) {
+                    PackFile_ByteCode *seg = sub->seg;
+                    opcode_t          *pc  = cont && cur_ctx == cont->to_ctx
+                                             ? cont->address
+                                             : Parrot_pcc_get_pc(interp, cur_ctx);
+
+                    annotations = PackFile_Annotations_lookup(interp,
+                        seg->annotations, pc - seg->base.data,
+                        NULL);
+                }
+            }
+
+            if (!annotations)
+                annotations = pmc_new(interp, enum_class_Hash);
+
+            VTABLE_set_pmc_keyed_str(interp, frame, CONST_STRING(interp, "annotations"), annotations);
+
+            /* Push frame and go to next caller. */
+            VTABLE_push_pmc(interp, result, frame);
+            cur_ctx = Parrot_pcc_get_caller_ctx(interp, cur_ctx);
+        }
+
+        RETURN(PMC *result);
+    }
 /*
 
 =back

Deleted: trunk/src/pmc/callsignature.pmc
==============================================================================
--- trunk/src/pmc/callsignature.pmc	Sun Dec 20 12:30:38 2009	(r43174)
+++ /dev/null	00:00:00 1970	(deleted)
@@ -1,1336 +0,0 @@
-/*
-Copyright (C) 2008-2009, Parrot Foundation.
-$Id$
-
-=head1 NAME
-
-src/pmc/callsignature.pmc - CallSignature PMC
-
-=head1 DESCRIPTION
-
-The CallSignature PMC is used to store the argument list and argument meta
-information for a multiple dispatch call.
-
-=head2 Functions
-
-=over 4
-
-=cut
-
-*/
-
-typedef struct Pcc_cell
-{
-    union u {
-        PMC     *p;
-        STRING  *s;
-        INTVAL   i;
-        FLOATVAL n;
-    } u;
-    struct Pcc_cell *next;
-} Pcc_cell;
-
-/* mask off lower two bits (1 + 2 = 3) for pointer tags */
-#define TAG_BITS 3
-#define UNTAG_CELL(c) INTVAL2PTR(Pcc_cell *, (PTR2INTVAL(c)) & ~TAG_BITS)
-
-#define CELL_INT(c)     UNTAG_CELL(c)->u.i
-#define CELL_FLOAT(c)   UNTAG_CELL(c)->u.n
-#define CELL_STRING(c)  UNTAG_CELL(c)->u.s
-#define CELL_PMC(c)     UNTAG_CELL(c)->u.p
-
-#define NEXT_CELL(c) UNTAG_CELL(c)->next
-#define FREE_CELL(i, c) \
-    Parrot_gc_free_fixed_size_storage((i), sizeof (Pcc_cell), (UNTAG_CELL(c)))
-
-#define CELL_TYPE_MASK(c) (PTR2INTVAL(c)) & 3
-#define INTCELL    0
-#define FLOATCELL  1
-#define STRINGCELL 2
-#define PMCCELL    3
-
-#define SET_CELL_INT(c) \
-        INTVAL2PTR(Pcc_cell *, PTR2INTVAL(UNTAG_CELL(c)) | INTCELL)
-
-#define SET_CELL_FLOAT(c) \
-        INTVAL2PTR(Pcc_cell *, PTR2INTVAL(UNTAG_CELL(c)) | FLOATCELL)
-
-#define SET_CELL_STRING(c) \
-        INTVAL2PTR(Pcc_cell *, PTR2INTVAL(UNTAG_CELL(c)) | STRINGCELL)
-
-#define SET_CELL_PMC(c) \
-        INTVAL2PTR(Pcc_cell *, PTR2INTVAL(UNTAG_CELL(c)) | PMCCELL)
-
-#define ALLOC_CELL(i) \
-    (Pcc_cell *)Parrot_gc_allocate_fixed_size_storage((i), sizeof (Pcc_cell))
-
-#define INIT_CELL_INT(c)    INTVAL2PTR(Pcc_cell *, PTR2INTVAL(c) | INTCELL)
-#define INIT_CELL_FLOAT(c)  INTVAL2PTR(Pcc_cell *, PTR2INTVAL(c) | FLOATCELL)
-#define INIT_CELL_STRING(c) INTVAL2PTR(Pcc_cell *, PTR2INTVAL(c) | STRINGCELL)
-#define INIT_CELL_PMC(c)    INTVAL2PTR(Pcc_cell *, PTR2INTVAL(c) | PMCCELL)
-
-#define CREATE_INTVAL_CELL(i)   INIT_CELL_INT(ALLOC_CELL(i))
-
-#define CREATE_FLOATVAL_CELL(i) INIT_CELL_FLOAT(ALLOC_CELL(i))
-
-#define CREATE_STRING_CELL(i)   INIT_CELL_STRING(ALLOC_CELL(i))
-
-#define CREATE_PMC_CELL(i)      INIT_CELL_PMC(ALLOC_CELL(i))
-
-#define APPEND_CELL(i, obj, cell) \
-    do { \
-        INTVAL num_positionals; \
-        Pcc_cell *positionals; \
-        GETATTR_CallSignature_num_positionals((i), (obj), num_positionals); \
-        GETATTR_CallSignature_positionals((i), (obj), positionals); \
-        SETATTR_CallSignature_num_positionals((i), (obj), num_positionals+1); \
-        NEXT_CELL(cell) = NULL; \
-        if (positionals) { \
-            while (NEXT_CELL(positionals)) { \
-                positionals = NEXT_CELL(positionals); \
-            } \
-            NEXT_CELL(positionals) = (cell); \
-        } \
-        else \
-            SETATTR_CallSignature_positionals((i), (obj), (cell)); \
-    } while (0)
-
-#define PREPEND_CELL(i, obj, cell) \
-    do { \
-        INTVAL num_positionals; \
-        Pcc_cell *positionals; \
-        GETATTR_CallSignature_num_positionals((i), (obj), num_positionals); \
-        GETATTR_CallSignature_positionals((i), (obj), positionals); \
-        SETATTR_CallSignature_num_positionals((i), (obj), num_positionals+1); \
-        NEXT_CELL(cell) = positionals; \
-        SETATTR_CallSignature_positionals((i), (obj), (cell)); \
-    } while (0)
-
-#define HLL_TYPE(i) Parrot_get_ctx_HLL_type(interp, (i))
-
-/* TODO: could use get_cell_at */
-static Pcc_cell *
-pop_cell(PARROT_INTERP, ARGIN(PMC *SELF))
-{
-    INTVAL num_positionals;
-    Pcc_cell *cell;
-    Pcc_cell *prev = NULL;
-
-    GETATTR_CallSignature_positionals(interp, SELF, cell);
-
-    /* no cells */
-    if (!cell)
-        return NULL;
-
-    GETATTR_CallSignature_num_positionals(interp, SELF, num_positionals);
-    SETATTR_CallSignature_num_positionals(interp, SELF, num_positionals-1);
-
-    /* one cell */
-    if (!NEXT_CELL(cell)) {
-        SETATTR_CallSignature_positionals(interp, SELF, NULL);
-        return cell;
-    }
-
-    while (cell) {
-        if (!NEXT_CELL(cell)) {
-            NEXT_CELL(prev) = NULL;
-            return cell;
-        }
-
-        prev = cell;
-        cell = NEXT_CELL(cell);
-    }
-
-    /* should abort here */
-    SETATTR_CallSignature_num_positionals(interp, SELF, num_positionals+1);
-    return NULL;
-}
-
-static Pcc_cell *
-shift_cell(PARROT_INTERP, ARGIN(PMC *SELF))
-{
-    INTVAL num_positionals;
-    Pcc_cell *cell;
-
-    GETATTR_CallSignature_positionals(interp, SELF, cell);
-
-    /* no cells */
-    if (!cell)
-        return NULL;
-
-    GETATTR_CallSignature_num_positionals(interp, SELF, num_positionals);
-    SETATTR_CallSignature_num_positionals(interp, SELF, num_positionals-1);
-
-    /* one cell */
-    if (!NEXT_CELL(cell))
-        SETATTR_CallSignature_positionals(interp, SELF, NULL);
-    else
-        SETATTR_CallSignature_positionals(interp, SELF, NEXT_CELL(cell));
-
-    return cell;
-}
-
-static Pcc_cell *
-get_cell_at(PARROT_INTERP, ARGIN(PMC *SELF), INTVAL key)
-{
-    INTVAL    i, num_positionals;
-    Pcc_cell *cell;
-
-    GETATTR_CallSignature_num_positionals(interp, SELF, num_positionals);
-
-    if (key > num_positionals)
-        return NULL;
-
-    GETATTR_CallSignature_positionals(interp, SELF, cell);
-
-    while (key) {
-        /* XXX: shouldn't happen */
-        if (!NEXT_CELL(cell))
-            return NULL;
-
-        cell = NEXT_CELL(cell);
-        key--;
-    }
-
-    return cell;
-
-}
-
-static INTVAL
-autobox_intval(PARROT_INTERP, Pcc_cell *cell)
-{
-    switch (CELL_TYPE_MASK(cell)) {
-      case INTCELL:
-        return CELL_INT(cell);
-      case FLOATCELL:
-        return (INTVAL)CELL_FLOAT(cell);
-      case STRINGCELL:
-        return CELL_STRING(cell) ? Parrot_str_to_int(interp, CELL_STRING(cell)) : 0;
-      case PMCCELL:
-        return PMC_IS_NULL(CELL_PMC(cell))
-                ? 0
-                : VTABLE_get_integer(interp, CELL_PMC(cell));
-      default:
-        break;
-    }
-
-    /* exception */
-    return 0;
-}
-
-static FLOATVAL
-autobox_floatval(PARROT_INTERP, Pcc_cell *cell)
-{
-    switch (CELL_TYPE_MASK(cell)) {
-      case INTCELL:
-        return (FLOATVAL)CELL_INT(cell);
-      case FLOATCELL:
-        return CELL_FLOAT(cell);
-      case STRINGCELL:
-        return CELL_STRING(cell) ? Parrot_str_to_num(interp, CELL_STRING(cell)) : 0.0;
-      case PMCCELL:
-        return PMC_IS_NULL(CELL_PMC(cell))
-                ? 0.0
-                : VTABLE_get_number(interp, CELL_PMC(cell));
-      default:
-        break;
-    }
-
-    /* exception */
-    return 0.0;
-}
-
-static STRING *
-autobox_string(PARROT_INTERP, Pcc_cell *cell)
-{
-    switch (CELL_TYPE_MASK(cell)) {
-      case INTCELL:
-        return Parrot_str_from_int(interp, CELL_INT(cell));
-      case FLOATCELL:
-        return Parrot_str_from_num(interp, CELL_FLOAT(cell));
-      case STRINGCELL:
-        return CELL_STRING(cell);
-      case PMCCELL:
-        return PMC_IS_NULL(CELL_PMC(cell))
-                ? NULL
-                : VTABLE_get_string(interp, CELL_PMC(cell));
-      default:
-        break;
-    }
-
-    /* exception */
-    return NULL;
-}
-
-static PMC *
-autobox_pmc(PARROT_INTERP, Pcc_cell *cell)
-{
-    PMC *result = PMCNULL;
-
-    switch (CELL_TYPE_MASK(cell)) {
-      case INTCELL:
-        result = pmc_new(interp, HLL_TYPE(enum_class_Integer));
-        VTABLE_set_integer_native(interp, result, CELL_INT(cell));
-        break;
-      case FLOATCELL:
-        result = pmc_new(interp, HLL_TYPE(enum_class_Float));
-        VTABLE_set_number_native(interp, result, CELL_FLOAT(cell));
-        break;
-      case STRINGCELL:
-        result = pmc_new(interp, HLL_TYPE(enum_class_String));
-        VTABLE_set_string_native(interp, result, CELL_STRING(cell));
-        break;
-      case PMCCELL:
-        return CELL_PMC(cell);
-      default:
-        /* exception */
-        break;
-    }
-
-    return result;
-}
-
-static Hash *
-get_hash(PARROT_INTERP, ARGIN(PMC *SELF))
-{
-    Hash   *hash;
-
-    GETATTR_CallSignature_hash(interp, SELF, hash);
-
-    if (!hash) {
-        hash = parrot_create_hash(interp,
-            enum_type_ptr,
-            Hash_key_type_STRING,
-            STRING_compare,
-            (hash_hash_key_fn)key_hash_STRING);
-
-        SETATTR_CallSignature_hash(interp, SELF, hash);
-    }
-
-    return hash;
-}
-
-static void
-mark_positionals(PARROT_INTERP, ARGIN(Pcc_cell *c))
-{
-    while (c) {
-        switch (CELL_TYPE_MASK(c)) {
-          case STRINGCELL:
-            if (CELL_STRING(c))
-                Parrot_gc_mark_STRING_alive(interp, CELL_STRING(c));
-            break;
-          case PMCCELL:
-            if (!PMC_IS_NULL(CELL_PMC(c)))
-                Parrot_gc_mark_PMC_alive(interp, CELL_PMC(c));
-            break;
-          case INTCELL:
-          case FLOATCELL:
-          default:
-            break;
-        }
-
-        c = NEXT_CELL(c);
-    }
-}
-
-/* don't look now, but here goes encapsulation.... */
-static void
-mark_hash(PARROT_INTERP, ARGIN(Hash *h))
-{
-    UINTVAL entries = h->entries;
-    INTVAL  i;
-
-    for (i = h->mask; i >= 0; --i) {
-        HashBucket *b = h->bi[i];
-
-        while (b) {
-            Parrot_gc_mark_STRING_alive(interp, (STRING *)b->key);
-            mark_positionals(interp, (Pcc_cell *)b->value);
-            b = b->next;
-        }
-
-    }
-}
-
-static PMC *
-get_named_names(PARROT_INTERP, ARGIN(PMC *SELF))
-{
-    Hash *hash;
-    PMC  *result = PMCNULL;
-
-    GETATTR_CallSignature_hash(interp, SELF, hash);
-
-    /* yes, this *looks* risky, but it's a Parrot STRING hash internally */
-    if (hash && hash->entries) {
-        UINTVAL i, j = 0;
-        result  = pmc_new(interp, enum_class_FixedStringArray);
-        VTABLE_set_integer_native(interp, result, hash->entries);
-
-        for (i = 0; i <= hash->mask; i++) {
-            HashBucket *b = hash->bi[i];
-
-            while (b) {
-                VTABLE_set_string_keyed_int(interp, result,
-                    j++, (STRING *)b->key);
-                b = b->next;
-            }
-        }
-    }
-
-    return result;
-}
-
-pmclass CallSignature provides array provides hash auto_attrs {
-    ATTR struct Pcc_cell *positionals; /* linked list of positionals */
-    ATTR PMC    *type_tuple;           /* Cached argument types for MDD */
-    ATTR STRING *short_sig;            /* Simple string sig args & returns */
-    ATTR PMC    *arg_flags;            /* Integer array of argument flags */
-    ATTR PMC    *return_flags;         /* Integer array of return flags */
-    ATTR Hash   *hash;                 /* Hash of named arguments */
-    ATTR INTVAL  num_positionals;      /* count of positionals */
-
-    /* Storage for returns */
-    ATTR void     **returns_values;             /* stored pointers */
-    ATTR INTVAL     returns_size;               /* number of stored elements */
-    ATTR INTVAL     returns_resize_threshold;   /* max size before resizing array */
-/*
-
-=item C<void init()>
-
-Initializes a newly created CallSignature object.
-
-=cut
-
-*/
-
-    VTABLE void init() {
-        SET_ATTR_type_tuple(INTERP, SELF, PMCNULL);
-
-        SET_ATTR_positionals(INTERP, SELF, NULL);
-        SET_ATTR_returns_values(INTERP, SELF, NULL);
-
-        SET_ATTR_returns_size(INTERP, SELF, 0);
-        SET_ATTR_num_positionals(INTERP, SELF, 0);
-        SET_ATTR_returns_resize_threshold(INTERP, SELF, 0);
-
-        PObj_custom_mark_destroy_SETALL(SELF);
-    }
-
-/*
-
-=item C<void mark()>
-
-Mark any referenced strings and PMCs.
-
-=cut
-
-*/
-    VTABLE void mark() {
-        Hash     *hash;
-        STRING   *short_sig;
-        Pcc_cell *positionals;
-        INTVAL    num_positionals;
-        PMC      *arg_flags, *type_tuple, *return_flags;
-
-        if (!PMC_data(SELF))
-            return;
-
-        GET_ATTR_type_tuple(INTERP, SELF, type_tuple);
-        GET_ATTR_short_sig(INTERP, SELF, short_sig);
-        GET_ATTR_arg_flags(INTERP, SELF, arg_flags);
-        GET_ATTR_return_flags(INTERP, SELF, return_flags);
-        GET_ATTR_num_positionals(INTERP, SELF, num_positionals);
-        GET_ATTR_positionals(INTERP, SELF, positionals);
-        GET_ATTR_hash(INTERP, SELF, hash);
-
-        Parrot_gc_mark_PMC_alive(INTERP, type_tuple);
-        Parrot_gc_mark_STRING_alive(INTERP, short_sig);
-        Parrot_gc_mark_PMC_alive(INTERP, arg_flags);
-        Parrot_gc_mark_PMC_alive(INTERP, return_flags);
-
-        if (num_positionals)
-            mark_positionals(INTERP, positionals);
-
-        if (hash)
-            mark_hash(INTERP, hash);
-    }
-
-    VTABLE void destroy() {
-        INTVAL    num_positionals, returns_resize_threshold;
-        Hash     *hash;
-        void    **returns_values;
-
-        if (!PMC_data(SELF))
-            return;
-
-        GET_ATTR_hash(INTERP, SELF, hash);
-        GET_ATTR_num_positionals(INTERP, SELF, num_positionals);
-        GET_ATTR_returns_values(INTERP, SELF, returns_values);
-        GET_ATTR_returns_resize_threshold(INTERP, SELF, returns_resize_threshold);
-
-        if (num_positionals) {
-            Pcc_cell *c;
-
-            GET_ATTR_positionals(INTERP, SELF, c);
-
-            while (c) {
-                Pcc_cell *to_free = c;
-                c = NEXT_CELL(c);
-                FREE_CELL(INTERP, to_free);
-            }
-        }
-
-        if (hash) {
-            UINTVAL i;
-
-            for (i = 0; i <= hash->mask; i++) {
-                HashBucket *b = hash->bi[i];
-
-                while (b) {
-                    FREE_CELL(INTERP, (Pcc_cell *)b->value);
-                    b = b->next;
-                }
-            }
-
-            parrot_hash_destroy(INTERP, hash);
-        }
-
-        /* Destroy returns storage */
-        if (returns_values) {
-            if (returns_resize_threshold == 8)
-                Parrot_gc_free_fixed_size_storage(INTERP,
-                    8 * sizeof (void *), returns_values);
-            else
-                mem_sys_free(returns_values);
-        }
-    }
-
-/*
-
-=item C<void set_string_native(STRING *value)>
-
-Sets the short signature for the CallSignature.
-
-=cut
-
-*/
-
-    VTABLE void set_string_native(STRING *value) {
-        SET_ATTR_short_sig(INTERP, SELF, value);
-    }
-
-/*
-
-=item C<STRING *get_string()>
-
-Returns the short signature for the CallSignature.
-
-=cut
-
-*/
-
-    VTABLE STRING *get_string() {
-        INTVAL    num_positionals;
-        STRING   *res;
-        Pcc_cell *c;
-
-        GET_ATTR_short_sig(INTERP, SELF, res);
-
-        if (res)
-            return res;
-
-        GET_ATTR_positionals(INTERP, SELF, c);
-        GET_ATTR_num_positionals(INTERP, SELF, num_positionals);
-
-        res = Parrot_str_new(INTERP, NULL, num_positionals);
-
-        while (c) {
-            switch (CELL_TYPE_MASK(c)) {
-              case INTCELL:
-                res = Parrot_str_append(INTERP, res, CONST_STRING(INTERP, "I"));
-                break;
-              case FLOATCELL:
-                res = Parrot_str_append(INTERP, res, CONST_STRING(INTERP, "N"));
-                break;
-              case STRINGCELL:
-                res = Parrot_str_append(INTERP, res, CONST_STRING(INTERP, "S"));
-                break;
-              case PMCCELL:
-                res = Parrot_str_append(INTERP, res, CONST_STRING(INTERP, "P"));
-                break;
-              default:
-                PARROT_ASSERT(!"Impossible flag");
-                break;
-            }
-            c = NEXT_CELL(c);
-        }
-        /* TODO Add named args to signature */
-        /* After fixind build_MMD_type_tuple to use raw arguments instead of signature */
-
-        SET_ATTR_short_sig(INTERP, SELF, res);
-
-        return res;
-    }
-
-/*
-
-=item C<void set_pmc(PMC *value)>
-
-Sets a fixed-size array of integer types (a type tuple) for the CallSignature.
-
-=cut
-
-*/
-
-    VTABLE void set_pmc(PMC *value) {
-        SET_ATTR_type_tuple(INTERP, SELF, value);
-    }
-
-/*
-
-=item C<PMC *get_pmc()>
-
-Returns a fixed-size array of integer types (a type tuple) for the
-CallSignature.
-
-=cut
-
-*/
-
-    VTABLE PMC *get_pmc() {
-        PMC *type_tuple;
-
-        GET_ATTR_type_tuple(INTERP, SELF, type_tuple);
-
-        if (PMC_IS_NULL(type_tuple)) {
-            type_tuple = Parrot_mmd_build_type_tuple_from_sig_obj(INTERP, SELF);
-            SET_ATTR_type_tuple(INTERP, SELF, type_tuple);
-        }
-
-        return type_tuple;
-
-    }
-
-/*
-
-=item C<void set_attr_str(STRING *key, PMC *value)>
-
-Set a PMC value for an attribute by string name.
-
-=over
-
-=item results
-
-Stores the return signature, an array of PMCs.
-
-=item arg_flags
-
-Stores a set of flags for the call signature arguments, an array of
-integers.
-
-=item return_flags
-
-Stores a set of flags for the call signature return arguments, an array
-of integers.
-
-=back
-
-=cut
-
-*/
-
-    VTABLE void set_attr_str(STRING *key, PMC *value) {
-
-        if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "arg_flags"))) {
-            SET_ATTR_arg_flags(INTERP, SELF, value);
-        }
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "return_flags"))) {
-            SET_ATTR_return_flags(INTERP, SELF, value);
-        }
-        else {
-            /* If unknown attribute name, throw an exception. */
-            Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_ATTRIB_NOT_FOUND,
-                "No such attribute '%S'", key);
-        }
-    }
-
-/*
-
-=item C<PMC *get_attr_str(STRING *key)>
-
-Get a PMC value for an attribute by string name.
-
-=over
-
-=item results
-
-Retrieves the return signature, an array of PMCs.
-
-=item arg_flags
-
-Retrieves the flags for the call signature arguments, an array of
-integers.
-
-=item return_flags
-
-Retrieves the flags for the call signature return arguments, an array of
-integers.
-
-=item named
-
-Retrieves the hash of named arguments.
-
-=back
-
-=cut
-
-*/
-
-    VTABLE PMC *get_attr_str(STRING *key) {
-        PMC *value = PMCNULL;
-
-        if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "named"))) {
-            value = get_named_names(INTERP, SELF);
-        }
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "arg_flags"))) {
-            GET_ATTR_arg_flags(INTERP, SELF, value);
-        }
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "return_flags"))) {
-            GET_ATTR_return_flags(INTERP, SELF, value);
-        }
-        else {
-            /* If unknown attribute name, throw an exception. */
-            Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_ATTRIB_NOT_FOUND,
-                "No such attribute '%S'", key);
-        }
-
-        return value;
-    }
-
-    VTABLE INTVAL elements() {
-        INTVAL num_positionals;
-
-        if (!PMC_data(SELF))
-            return 0;
-
-        GET_ATTR_num_positionals(INTERP, SELF, num_positionals);
-
-        return num_positionals;
-    }
-
-    VTABLE void push_integer(INTVAL value) {
-        Pcc_cell *cell = CREATE_INTVAL_CELL(INTERP);
-        APPEND_CELL(INTERP, SELF, cell);
-        CELL_INT(cell) = value;
-    }
-
-    VTABLE void push_float(FLOATVAL value) {
-        Pcc_cell *cell = CREATE_FLOATVAL_CELL(INTERP);
-        APPEND_CELL(INTERP, SELF, cell);
-        CELL_FLOAT(cell) = value;
-    }
-
-    VTABLE void push_string(STRING *value) {
-        Pcc_cell *cell = CREATE_STRING_CELL(INTERP);
-        APPEND_CELL(INTERP, SELF, cell);
-        CELL_STRING(cell) = value;
-    }
-
-    VTABLE void push_pmc(PMC *value) {
-        Pcc_cell *cell = CREATE_PMC_CELL(INTERP);
-        APPEND_CELL(INTERP, SELF, cell);
-        CELL_PMC(cell) = value;
-    }
-
-    VTABLE INTVAL pop_integer() {
-        Pcc_cell *cell = pop_cell(INTERP, SELF);
-
-        if (cell) {
-            INTVAL result = autobox_intval(INTERP, cell);
-            FREE_CELL(INTERP, cell);
-            return result;
-        }
-
-        return 0;
-    }
-
-    VTABLE FLOATVAL pop_float() {
-        Pcc_cell *cell = pop_cell(INTERP, SELF);
-
-        if (cell) {
-            FLOATVAL result = autobox_floatval(INTERP, cell);
-            FREE_CELL(INTERP, cell);
-            return result;
-        }
-
-        return 0.0;
-    }
-
-    VTABLE PMC * pop_pmc() {
-        Pcc_cell *cell = pop_cell(INTERP, SELF);
-
-        if (cell) {
-            PMC *result = autobox_pmc(INTERP, cell);
-            FREE_CELL(INTERP, cell);
-            return result;
-        }
-
-        return PMCNULL;
-    }
-
-    VTABLE STRING * pop_string() {
-        Pcc_cell *cell = pop_cell(INTERP, SELF);
-
-        if (cell) {
-            STRING *result = autobox_string(INTERP, cell);
-            FREE_CELL(INTERP, cell);
-            return result;
-        }
-
-        return NULL;
-    }
-
-    VTABLE INTVAL get_integer_keyed_int(INTVAL key) {
-        Pcc_cell *cell = get_cell_at(INTERP, SELF, key);
-
-        if (!cell)
-            return 0;
-
-        return autobox_intval(INTERP, cell);
-    }
-
-    VTABLE FLOATVAL get_number_keyed_int(INTVAL key) {
-        Pcc_cell *cell = get_cell_at(INTERP, SELF, key);
-
-        if (!cell)
-            return 0.0;
-
-        return autobox_floatval(INTERP, cell);
-    }
-
-    VTABLE STRING * get_string_keyed_int(INTVAL key) {
-        Pcc_cell *cell = get_cell_at(INTERP, SELF, key);
-
-        if (!cell)
-            return NULL;
-
-        return autobox_string(INTERP, cell);
-    }
-
-    VTABLE PMC * get_pmc_keyed_int(INTVAL key) {
-        Pcc_cell *cell = get_cell_at(INTERP, SELF, key);
-
-        if (!cell)
-            return PMCNULL;
-
-        return autobox_pmc(INTERP, cell);
-    }
-
-    VTABLE void unshift_integer(INTVAL value) {
-        Pcc_cell *cell = CREATE_INTVAL_CELL(INTERP);
-        PREPEND_CELL(INTERP, SELF, cell);
-        CELL_INT(cell) = value;
-    }
-
-    VTABLE void unshift_float(FLOATVAL value) {
-        Pcc_cell *cell = CREATE_FLOATVAL_CELL(INTERP);
-        PREPEND_CELL(INTERP, SELF, cell);
-        CELL_FLOAT(cell) = value;
-    }
-
-    VTABLE void unshift_string(STRING *value) {
-        Pcc_cell *cell = CREATE_STRING_CELL(INTERP);
-        PREPEND_CELL(INTERP, SELF, cell);
-        CELL_STRING(cell) = value;
-    }
-
-    VTABLE void unshift_pmc(PMC *value) {
-        Pcc_cell *cell = CREATE_PMC_CELL(INTERP);
-        PREPEND_CELL(INTERP, SELF, cell);
-        CELL_PMC(cell) = value;
-    }
-
-    VTABLE INTVAL shift_integer() {
-        Pcc_cell *cell = shift_cell(INTERP, SELF);
-
-        if (cell) {
-            INTVAL result = autobox_intval(INTERP, cell);
-            FREE_CELL(INTERP, cell);
-            return result;
-        }
-
-        return 0;
-    }
-
-    VTABLE FLOATVAL shift_float() {
-        Pcc_cell *cell = shift_cell(INTERP, SELF);
-
-        if (cell) {
-            FLOATVAL result = autobox_floatval(INTERP, cell);
-            FREE_CELL(INTERP, cell);
-            return result;
-        }
-
-        return 0.0;
-    }
-
-    VTABLE STRING * shift_string() {
-        Pcc_cell *cell = shift_cell(INTERP, SELF);
-
-        if (cell) {
-            STRING *result = autobox_string(INTERP, cell);
-            FREE_CELL(INTERP, cell);
-            return result;
-        }
-
-        return NULL;
-    }
-
-    VTABLE PMC * shift_pmc() {
-        Pcc_cell *cell = shift_cell(INTERP, SELF);
-
-        if (cell) {
-            PMC *result = autobox_pmc(INTERP, cell);
-            FREE_CELL(INTERP, cell);
-            return result;
-        }
-
-        return PMCNULL;
-    }
-
-    VTABLE void set_integer_keyed_int(INTVAL key, INTVAL value) {
-        Pcc_cell *cell = get_cell_at(INTERP, SELF, key);
-
-        if (!cell) {
-            INTVAL num_positionals;
-
-            GET_ATTR_num_positionals(INTERP, SELF, num_positionals);
-
-            if (key == num_positionals)
-                VTABLE_push_integer(INTERP, SELF, value);
-
-            /* XXX: else throw exception? */
-            return;
-        }
-
-        CELL_INT(cell) = value;
-    }
-
-    VTABLE void set_number_keyed_int(INTVAL key, FLOATVAL value) {
-        Pcc_cell *cell = get_cell_at(INTERP, SELF, key);
-
-        if (!cell) {
-            INTVAL num_positionals;
-
-            GET_ATTR_num_positionals(INTERP, SELF, num_positionals);
-
-            if (key == num_positionals)
-                VTABLE_push_float(INTERP, SELF, value);
-
-            /* XXX: else throw exception? */
-            return;
-        }
-
-        CELL_FLOAT(cell) = value;
-    }
-
-    VTABLE void set_string_keyed_int(INTVAL key, STRING *value) {
-        Pcc_cell *cell = get_cell_at(INTERP, SELF, key);
-
-        if (!cell) {
-            INTVAL num_positionals;
-
-            GET_ATTR_num_positionals(INTERP, SELF, num_positionals);
-
-            if (key == num_positionals)
-                VTABLE_push_string(INTERP, SELF, value);
-
-            /* XXX: else throw exception? */
-            return;
-        }
-
-        CELL_STRING(cell) = value;
-    }
-
-    VTABLE void set_pmc_keyed_int(INTVAL key, PMC *value) {
-        Pcc_cell *cell = get_cell_at(INTERP, SELF, key);
-
-        if (!cell) {
-            INTVAL num_positionals;
-
-            GET_ATTR_num_positionals(INTERP, SELF, num_positionals);
-
-            if (key == num_positionals)
-                VTABLE_push_pmc(INTERP, SELF, value);
-
-            /* XXX: else throw exception? */
-            return;
-        }
-
-        CELL_PMC(cell) = value;
-    }
-
-    VTABLE void set_integer_keyed_str(STRING *key, INTVAL value) {
-        Hash     *hash = get_hash(INTERP, SELF);
-        Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, (void *)key);
-
-        if (!cell) {
-            cell = CREATE_INTVAL_CELL(INTERP);
-            parrot_hash_put(INTERP, hash, (void *)key, (void *)cell);
-            NEXT_CELL(cell) = NULL;
-        }
-        else
-            SET_CELL_INT(cell);
-
-        CELL_INT(cell) = value;
-    }
-
-    VTABLE void set_number_keyed_str(STRING *key, FLOATVAL value) {
-        Hash     *hash = get_hash(INTERP, SELF);
-        Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, (void *)key);
-
-        if (!cell) {
-            cell = CREATE_FLOATVAL_CELL(INTERP);
-            parrot_hash_put(INTERP, hash, (void *)key, (void *)cell);
-            NEXT_CELL(cell) = NULL;
-        }
-        else
-            SET_CELL_FLOAT(cell);
-
-        CELL_FLOAT(cell) = value;
-    }
-
-    VTABLE void set_string_keyed_str(STRING *key, STRING *value) {
-        Hash     *hash = get_hash(INTERP, SELF);
-        Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, (void *)key);
-
-        if (!cell) {
-            cell = CREATE_STRING_CELL(INTERP);
-            parrot_hash_put(INTERP, hash, (void *)key, (void *)cell);
-            NEXT_CELL(cell) = NULL;
-        }
-        else
-            SET_CELL_STRING(cell);
-
-        CELL_STRING(cell) = value;
-    }
-
-    VTABLE void set_pmc_keyed_str(STRING *key, PMC *value) {
-        Hash     *hash = get_hash(INTERP, SELF);
-        Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, (void *)key);
-
-        if (!cell) {
-            cell = CREATE_PMC_CELL(INTERP);
-            parrot_hash_put(INTERP, hash, (void *)key, (void *)cell);
-            NEXT_CELL(cell) = NULL;
-        }
-        else
-            SET_CELL_PMC(cell);
-
-        CELL_PMC(cell) = value;
-    }
-
-    VTABLE void set_integer_keyed(PMC *key, INTVAL value) {
-        Hash     *hash = get_hash(INTERP, SELF);
-        void     *k    = hash_key_from_pmc(INTERP, hash, key);
-        Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-        if (!cell) {
-            cell = CREATE_INTVAL_CELL(INTERP);
-            parrot_hash_put(INTERP, hash, k, (void *)cell);
-            NEXT_CELL(cell) = NULL;
-        }
-        else
-            SET_CELL_INT(cell);
-
-        CELL_INT(cell) = value;
-    }
-
-    VTABLE void set_number_keyed(PMC *key, FLOATVAL value) {
-        Hash     *hash = get_hash(INTERP, SELF);
-        void     *k    = hash_key_from_pmc(INTERP, hash, key);
-        Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-        if (!cell) {
-            cell = CREATE_FLOATVAL_CELL(INTERP);
-            parrot_hash_put(INTERP, hash, k, (void *)cell);
-            NEXT_CELL(cell) = NULL;
-        }
-        else
-            SET_CELL_FLOAT(cell);
-
-        CELL_FLOAT(cell) = value;
-    }
-
-    VTABLE void set_string_keyed(PMC *key, STRING *value) {
-        Hash     *hash = get_hash(INTERP, SELF);
-        void     *k    = hash_key_from_pmc(INTERP, hash, key);
-        Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-        if (!cell) {
-            cell = CREATE_STRING_CELL(INTERP);
-            parrot_hash_put(INTERP, hash, k, (void *)cell);
-            NEXT_CELL(cell) = NULL;
-        }
-        else
-            SET_CELL_STRING(cell);
-
-        CELL_STRING(cell) = value;
-    }
-
-    VTABLE void set_pmc_keyed(PMC *key, PMC *value) {
-        Hash     *hash = get_hash(INTERP, SELF);
-        void     *k    = hash_key_from_pmc(INTERP, hash, key);
-        Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-        if (!cell) {
-            cell = CREATE_PMC_CELL(INTERP);
-            parrot_hash_put(INTERP, hash, k, (void *)cell);
-            NEXT_CELL(cell) = NULL;
-        }
-        else
-            SET_CELL_PMC(cell);
-
-        CELL_PMC(cell) = value;
-    }
-
-    VTABLE INTVAL get_integer_keyed_str(STRING *key) {
-        Hash *hash = get_hash(INTERP, SELF);
-
-        if (hash) {
-            void     *k    = hash_key_from_string(INTERP, hash, key);
-            Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-            if (cell)
-                return autobox_intval(INTERP, cell);
-        }
-
-        return 0;
-    }
-
-    VTABLE FLOATVAL get_number_keyed_str(STRING *key) {
-        Hash *hash = get_hash(INTERP, SELF);
-
-        if (hash) {
-            void     *k    = hash_key_from_string(INTERP, hash, key);
-            Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-            if (cell)
-                return autobox_floatval(INTERP, cell);
-        }
-
-        return 0.0;
-    }
-
-
-    VTABLE STRING * get_string_keyed_str(STRING *key) {
-        Hash *hash = get_hash(INTERP, SELF);
-
-        if (hash) {
-            void     *k    = hash_key_from_string(INTERP, hash, key);
-            Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-            if (cell)
-                return autobox_string(INTERP, cell);
-        }
-
-        return NULL;
-    }
-
-    VTABLE PMC * get_pmc_keyed_str(STRING *key) {
-        Hash *hash = get_hash(INTERP, SELF);
-
-        if (hash) {
-            void     *k    = hash_key_from_string(INTERP, hash, key);
-            Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-            if (cell)
-                return autobox_pmc(INTERP, cell);
-        }
-
-        return PMCNULL;
-    }
-
-    VTABLE INTVAL get_integer_keyed(PMC *key) {
-        Hash *hash = get_hash(INTERP, SELF);
-
-        if (hash) {
-            void     *k    = hash_key_from_pmc(INTERP, hash, key);
-            Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-            if (cell)
-                return autobox_intval(INTERP, cell);
-        }
-
-        return 0;
-    }
-
-    VTABLE FLOATVAL get_number_keyed(PMC *key) {
-        Hash *hash = get_hash(INTERP, SELF);
-
-        if (hash) {
-            void     *k    = hash_key_from_pmc(INTERP, hash, key);
-            Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-            if (cell)
-                return autobox_floatval(INTERP, cell);
-        }
-
-        return 0.0;
-    }
-
-    VTABLE STRING * get_string_keyed(PMC *key) {
-        Hash *hash = get_hash(INTERP, SELF);
-
-        if (hash) {
-            void     *k    = hash_key_from_pmc(INTERP, hash, key);
-            Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-            if (cell)
-                return autobox_string(INTERP, cell);
-        }
-
-        return NULL;
-    }
-
-    VTABLE PMC * get_pmc_keyed(PMC *key) {
-        Hash *hash = get_hash(INTERP, SELF);
-
-        if (hash) {
-            void     *k    = hash_key_from_pmc(INTERP, hash, key);
-            Pcc_cell *cell = (Pcc_cell *)parrot_hash_get(INTERP, hash, k);
-
-            if (cell)
-                return autobox_pmc(INTERP, cell);
-        }
-
-        return PMCNULL;
-    }
-
-    VTABLE INTVAL exists_keyed(PMC *key) {
-        Hash *hash = get_hash(INTERP, SELF);
-
-        if (hash) {
-            void     *k = hash_key_from_pmc(INTERP, hash, key);
-            return parrot_hash_exists(INTERP, hash, k);
-        }
-
-        return 0;
-    }
-
-    VTABLE INTVAL exists_keyed_str(STRING *key) {
-        Hash *hash = get_hash(INTERP, SELF);
-
-        if (hash) {
-            void     *k = hash_key_from_string(INTERP, hash, key);
-            return parrot_hash_exists(INTERP, hash, k);
-        }
-
-        return 0;
-    }
-
-    VTABLE INTVAL exists_keyed_int(INTVAL key) {
-        INTVAL num_positionals;
-
-        GET_ATTR_num_positionals(INTERP, SELF, num_positionals);
-
-        if (num_positionals)
-            return key < num_positionals;
-
-        return 0;
-    }
-
-/*
-
-=item C<PMC *clone()>
-
-Creates and returns a clone of the signature.
-
-=cut
-
-*/
-    VTABLE PMC *clone() {
-        Pcc_cell    *cell;
-        STRING      *short_sig;
-        PMC         *type_tuple, *arg_flags, *return_flags;
-        PMC * const dest = pmc_new(INTERP, SELF->vtable->base_type);
-
-        GET_ATTR_positionals(INTERP, SELF, cell);
-
-        /* Copy all positional cells (thanks to APPEND_CELL, this also
-         * sets num_positionals). */
-        for (; cell; cell = NEXT_CELL(cell)) {
-            Pcc_cell *cloned_cell;
-
-            switch (CELL_TYPE_MASK(cell)) {
-              case INTCELL:
-                cloned_cell = CREATE_INTVAL_CELL(INTERP);
-                CELL_INT(cloned_cell) = CELL_INT(cell);
-                break;
-              case FLOATCELL:
-                cloned_cell = CREATE_FLOATVAL_CELL(INTERP);
-                CELL_FLOAT(cloned_cell) = CELL_FLOAT(cell);
-                break;
-              case STRINGCELL:
-                cloned_cell = CREATE_STRING_CELL(INTERP);
-                CELL_STRING(cloned_cell) = CELL_STRING(cell);
-                break;
-              case PMCCELL:
-                cloned_cell = CREATE_PMC_CELL(INTERP);
-                CELL_PMC(cloned_cell) = CELL_PMC(cell);
-                break;
-              default:
-                break;
-            }
-            APPEND_CELL(INTERP, dest, cloned_cell);
-        }
-
-
-        GET_ATTR_type_tuple(INTERP, SELF, type_tuple);
-        GET_ATTR_short_sig(INTERP, SELF, short_sig);
-        GET_ATTR_arg_flags(INTERP, SELF, arg_flags);
-        GET_ATTR_return_flags(INTERP, SELF, return_flags);
-
-        /* FIXME
-        PMC *results;
-
-        GET_ATTR_results(INTERP, SELF, results);
-
-        if (!PMC_IS_NULL(results))
-            SET_ATTR_results(INTERP, dest, VTABLE_clone(INTERP, results));
-        */
-
-        if (!PMC_IS_NULL(type_tuple))
-            SET_ATTR_type_tuple(INTERP, dest, VTABLE_clone(INTERP, type_tuple));
-
-        if (short_sig)
-            SET_ATTR_short_sig(INTERP, dest, Parrot_str_copy(INTERP, short_sig));
-
-        if (!PMC_IS_NULL(arg_flags))
-            SET_ATTR_arg_flags(INTERP, dest, VTABLE_clone(INTERP, arg_flags));
-
-        if (!PMC_IS_NULL(return_flags))
-            SET_ATTR_return_flags(INTERP, dest, VTABLE_clone(INTERP, return_flags));
-
-        parrot_hash_clone(INTERP, get_hash(INTERP, SELF),
-            get_hash(INTERP, dest));
-
-        return dest;
-    }
-
-/*
-
-=back
-
-=cut
-
-*/
-
-} /* end pmclass */
-
-/*
- * Local variables:
- *   c-file-style: "parrot"
- * End:
- * vim: expandtab shiftwidth=4:
- */

Modified: trunk/src/pmc/class.pmc
==============================================================================
--- trunk/src/pmc/class.pmc	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/pmc/class.pmc	Sun Dec 20 12:30:38 2009	(r43175)
@@ -344,7 +344,7 @@
 
         if (!PMC_IS_NULL(meth)) {
             /* build an empty signature; it has an invocant but no args/retvals */
-            PMC * const sig_obj = pmc_new(interp, enum_class_CallSignature);
+            PMC * const sig_obj = pmc_new(interp, enum_class_CallContext);
             /* preserve current_object */
             PMC * const old_object = interp->current_object;
             VTABLE_set_string_native(interp, sig_obj, CONST_STRING(interp, "Pi->"));

Deleted: trunk/src/pmc/context.pmc
==============================================================================
--- trunk/src/pmc/context.pmc	Sun Dec 20 12:30:38 2009	(r43174)
+++ /dev/null	00:00:00 1970	(deleted)
@@ -1,298 +0,0 @@
-/*
-Copyright (C) 2001-2009, Parrot Foundation.
-$Id$
-
-=head1 NAME
-
-src/pmc/context.pmc - Interpreter Context.
-
-=head1 DESCRIPTION
-
-Stores context of execution. Currently we store pointer to Parrot_Context_attributes
-structure in PMC_data.
-
-=head2 Vtable Functions
-
-=over 4
-
-=cut
-
-*/
-
-
-#include "parrot/packfile.h"
-#include "pmc/pmc_sub.h"
-
-pmclass Context auto_attrs {
-    ATTR PMC     *caller_ctx;      /* caller context */
-
-    ATTR void    *registers;       /* pointer to allocated registers */
-    ATTR Regs_ni  bp;              /* pointers to FLOATVAL & INTVAL */
-    ATTR Regs_ps  bp_ps;           /* pointers to PMC & STR */
-
-    /* end common header */
-    ATTR UINTVAL  n_regs_used[4];   /* INSP in PBC points to Sub */
-    ATTR PMC      *lex_pad;         /* LexPad PMC */
-    ATTR PMC      *outer_ctx;       /* outer context, if a closure */
-
-    /* new call scheme and introspective variables */
-    ATTR PMC      *current_sub;           /* the Sub we are executing */
-
-    /* for now use a return continuation PMC */
-    ATTR PMC      *handlers;              /* local handlers for the context */
-    ATTR PMC      *current_cont;          /* the return continuation PMC */
-    ATTR PMC      *current_object;        /* current object if a method call */
-    ATTR PMC      *current_namespace;     /* The namespace we're currently in */
-    ATTR PMC      *results_signature;     /* non-const results signature PMC */
-    ATTR opcode_t *current_pc;            /* program counter of Sub invocation */
-    ATTR opcode_t *current_results;       /* ptr into code with get_results opcode */
-    ATTR PMC      *current_sig;           /* temporary CallSignature PMC for active call */
-
-    /* deref the constants - we need it all the time */
-    ATTR struct PackFile_Constant **constants;
-
-    ATTR INTVAL                 current_HLL;     /* see also src/hll.c */
-
-    ATTR UINTVAL                warns;           /* Keeps track of what warnings
-                                             * have been activated */
-    ATTR UINTVAL                errors;          /* fatals that can be turned off */
-    ATTR UINTVAL                trace_flags;
-    ATTR UINTVAL                recursion_depth; /* Sub call recursion depth */
-
-    /* code->prederefed.code - code->base.data in opcodes
-     * to simplify conversion between code ptrs in e.g. invoke */
-    ATTR size_t pred_offset;
-
-/*
-
-=item C<void init()>
-
-Initialize new Context. See C<Parrot_alloc_context>.
-
-=cut
-
-*/
-
-    VTABLE void init() {
-        PObj_custom_mark_destroy_SETALL(SELF);
-    }
-
-
-/*
-
-=item C<void mark()>
-
-Mark Context as alive.
-
-=cut
-
-*/
-
-    VTABLE void mark()
-    {
-        Parrot_Context_attributes * const ctx = PARROT_CONTEXT(SELF);
-        UINTVAL i;
-
-        /* If Context wasn't initialised just return */
-        if (!ctx)
-            return;
-
-        Parrot_gc_mark_PMC_alive(INTERP, ctx->caller_ctx);
-        Parrot_gc_mark_PMC_alive(INTERP, ctx->lex_pad);
-        Parrot_gc_mark_PMC_alive(INTERP, ctx->outer_ctx);
-        Parrot_gc_mark_PMC_alive(INTERP, ctx->current_sub);
-        Parrot_gc_mark_PMC_alive(INTERP, ctx->handlers);
-        Parrot_gc_mark_PMC_alive(INTERP, ctx->current_cont);
-        Parrot_gc_mark_PMC_alive(INTERP, ctx->current_object);
-        Parrot_gc_mark_PMC_alive(INTERP, ctx->current_namespace);
-        Parrot_gc_mark_PMC_alive(INTERP, ctx->results_signature);
-        Parrot_gc_mark_PMC_alive(INTERP, ctx->current_sig);
-
-        if (!ctx->n_regs_used)
-            return;
-
-        for (i = 0; i < ctx->n_regs_used[REGNO_PMC]; ++i) {
-            PMC *p = ctx->bp_ps.regs_p[-1L-(i)];
-            /* Original code from CTX_REG_PMC */
-            if (p)
-                Parrot_gc_mark_PMC_alive(interp, p);
-        }
-
-        for (i = 0; i < ctx->n_regs_used[REGNO_STR]; ++i) {
-            STRING *s = ctx->bp_ps.regs_s[i];
-            if (s)
-                Parrot_gc_mark_STRING_alive(interp, s);
-        }
-    }
-
-/*
-
-=item C<void destroy()>
-
-Destroy Context and memory allocated by C<Parrot_alloc_context>.
-
-=cut
-
-*/
-
-    VTABLE void destroy() {
-        Parrot_pcc_free_registers(INTERP, SELF);
-    }
-
-/*
-
-=item C<PMC *get_pmc_keyed_str(STRING *key)>
-
-Introspection interface. C<key> can be:
-
-    caller_ctx          ... return Caller Context
-    lex_pad             ... return LexPad
-    outer_ctx           ... return Outer Context
-    current_sub         ... return current Sub
-    handlers            ... return list of ExceptioHandlers
-    current_cont        ... return current Continuation
-    current_object      ... return current Object (if in method call)
-    current_namespace   ... return current Namespace
-
-Deprecated. Use attribute accessors.
-=cut
-
-*/
-    VTABLE PMC *get_pmc_keyed_str(STRING *key) {
-        Parrot_Context_attributes *ctx = PARROT_CONTEXT(SELF);
-
-        if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "caller_ctx")))
-            return ctx->caller_ctx;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "lex_pad")))
-            return ctx->lex_pad;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "outer_ctx")))
-            return ctx->outer_ctx;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_sub")))
-            return ctx->current_sub;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_cont")))
-            return ctx->current_cont;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_object")))
-            return ctx->current_object;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_namespace")))
-            return ctx->current_namespace;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "handlers")))
-            return ctx->handlers;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "results_signature")))
-            return ctx->results_signature;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_HLL")))
-            /* This function from src/hash.c. */
-            /* We probably have to move it to more suitable place */
-            return get_integer_pmc(INTERP, ctx->current_HLL);
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_hll")))
-            return get_string_pmc(INTERP, Parrot_get_HLL_name(INTERP, ctx->current_HLL));
-
-        Parrot_ex_throw_from_c_args(interp, NULL, EXCEPTION_ATTRIB_NOT_FOUND,
-                "No such item %Ss", key);
-    }
-
-    VTABLE PMC *get_pmc_keyed(PMC *key) {
-        return STATICSELF.get_pmc_keyed_str(VTABLE_get_string(INTERP, key));
-    }
-
-    VTABLE PMC *get_attr_str(STRING *key) {
-        Parrot_Context_attributes *ctx = PARROT_CONTEXT(SELF);
-
-        if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "caller_ctx")))
-            return ctx->caller_ctx;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "lex_pad")))
-            return ctx->lex_pad;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "outer_ctx")))
-            return ctx->outer_ctx;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_sub")))
-            return ctx->current_sub;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_cont")))
-            return ctx->current_cont;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_object")))
-            return ctx->current_object;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_namespace")))
-            return ctx->current_namespace;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "handlers")))
-            return ctx->handlers;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "results_signature")))
-            return ctx->results_signature;
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_HLL")))
-            /* This function from src/hash.c. */
-            /* We probably have to move it to more suitable place */
-            return get_integer_pmc(INTERP, ctx->current_HLL);
-        else if (Parrot_str_equal(INTERP, key, CONST_STRING(INTERP, "current_hll")))
-            return get_string_pmc(INTERP, Parrot_get_HLL_name(INTERP, ctx->current_HLL));
-
-        Parrot_ex_throw_from_c_args(interp, NULL, EXCEPTION_ATTRIB_NOT_FOUND,
-                "No such item %Ss", key);
-    }
-
-/*
-
-=item C<PMC *backtrace>
-
-Gets a representation of the backtrace starting from this Context.
-Returns an array of hashes. Each array element represents a caller in
-the backtrace, the most recent caller first. The hash has two keys: C<sub>,
-which holds the PMC representing the sub, and C<annotations> which is a hash
-of the annotations at the point where the exception was thrown for the current
-sub, or for the point of the call a level deeper for the rest.
-
-=cut
-
-*/
-
-    METHOD backtrace(PMC *resume :optional, INTVAL has_resume :opt_flag) {
-        PMC *result  = pmc_new(interp, enum_class_ResizablePMCArray);
-        PMC *cur_ctx = SELF;
-        Parrot_Continuation_attributes *cont = has_resume ? PMC_cont(resume) : NULL;
-
-        /* Get starting context, then loop over them. */
-        while (cur_ctx) {
-            PMC        *frame       = pmc_new(interp, enum_class_Hash);
-            PMC        *annotations = NULL;
-            Parrot_Sub_attributes *sub;
-
-            /* Get sub and put it in the hash. */
-            PMC *sub_pmc = Parrot_pcc_get_sub(interp, cur_ctx);
-
-            if (!sub_pmc)
-                sub_pmc = PMCNULL;
-
-            VTABLE_set_pmc_keyed_str(interp, frame, CONST_STRING(interp, "sub"), sub_pmc);
-
-            /* Look up any annotations and put them in the hash. */
-            if (!PMC_IS_NULL(sub_pmc)) {
-                PMC_get_sub(interp, sub_pmc, sub);
-
-                if (sub->seg->annotations) {
-                    PackFile_ByteCode *seg = sub->seg;
-                    opcode_t          *pc  = cont && cur_ctx == cont->to_ctx
-                                             ? cont->address
-                                             : Parrot_pcc_get_pc(interp, cur_ctx);
-
-                    annotations = PackFile_Annotations_lookup(interp,
-                        seg->annotations, pc - seg->base.data,
-                        NULL);
-                }
-            }
-
-            if (!annotations)
-                annotations = pmc_new(interp, enum_class_Hash);
-
-            VTABLE_set_pmc_keyed_str(interp, frame, CONST_STRING(interp, "annotations"), annotations);
-
-            /* Push frame and go to next caller. */
-            VTABLE_push_pmc(interp, result, frame);
-            cur_ctx = Parrot_pcc_get_caller_ctx(interp, cur_ctx);
-        }
-
-        RETURN(PMC *result);
-    }
-}
-
-/*
- * Local variables:
- *   c-file-style: "parrot"
- * End:
- * vim: expandtab shiftwidth=4:
- */

Modified: trunk/src/pmc/coroutine.pmc
==============================================================================
--- trunk/src/pmc/coroutine.pmc	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/pmc/coroutine.pmc	Sun Dec 20 12:30:38 2009	(r43175)
@@ -155,7 +155,13 @@
                         "tail call to coro not allowed");
 
             /* first time set current sub, cont, object */
-            ctx     = Parrot_set_new_context(INTERP, co->n_regs_used);
+            ctx = Parrot_pcc_get_signature(INTERP, caller_ctx);
+            if (PMC_IS_NULL(ctx))
+                ctx = pmc_new(INTERP, enum_class_CallContext);
+            CURRENT_CONTEXT(INTERP) = ctx;
+            Parrot_pcc_allocate_registers(INTERP, ctx, co->n_regs_used);
+            Parrot_pcc_set_caller_ctx(INTERP, ctx, caller_ctx);
+            Parrot_pcc_init_context(INTERP, ctx, caller_ctx);
 
             co->ctx = ctx;
 

Modified: trunk/src/pmc/multisub.pmc
==============================================================================
--- trunk/src/pmc/multisub.pmc	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/pmc/multisub.pmc	Sun Dec 20 12:30:38 2009	(r43175)
@@ -19,7 +19,7 @@
 
 */
 
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 pmclass MultiSub extends ResizablePMCArray auto_attrs provides array {
 

Modified: trunk/src/pmc/sub.pmc
==============================================================================
--- trunk/src/pmc/sub.pmc	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/pmc/sub.pmc	Sun Dec 20 12:30:38 2009	(r43175)
@@ -387,7 +387,14 @@
 
         /* plain subroutine call
          * create new context, place it in interpreter */
-        context               = Parrot_set_new_context(INTERP, sub->n_regs_used);
+        context = Parrot_pcc_get_signature(INTERP, caller_ctx);
+        if (PMC_IS_NULL(context))
+            context = pmc_new(INTERP, enum_class_CallContext);
+        CURRENT_CONTEXT(INTERP) = context;
+        Parrot_pcc_set_caller_ctx(INTERP, context, caller_ctx);
+        Parrot_pcc_allocate_registers(INTERP, context, sub->n_regs_used);
+        Parrot_pcc_init_context(INTERP, context, caller_ctx);
+
         Parrot_pcc_set_sub(interp, context, SELF);
         Parrot_pcc_set_continuation(interp, context, ccont);
         Parrot_pcc_set_constants(interp, context, sub->seg->const_table->constants);

Modified: trunk/src/pmc_freeze.c
==============================================================================
--- trunk/src/pmc_freeze.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/pmc_freeze.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -27,7 +27,7 @@
 */
 
 #include "parrot/parrot.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "pmc_freeze.str"
 
 /* HEADERIZER HFILE: include/parrot/pmc_freeze.h */

Modified: trunk/src/runcore/cores.c
==============================================================================
--- trunk/src/runcore/cores.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/runcore/cores.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -253,7 +253,7 @@
 #include "parrot/dynext.h"
 
 #include "pmc/pmc_sub.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 #ifdef HAVE_COMPUTED_GOTO
 #  include "parrot/oplib/core_ops_cg.h"

Modified: trunk/src/runcore/main.c
==============================================================================
--- trunk/src/runcore/main.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/runcore/main.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -46,7 +46,7 @@
 #endif
 #include "parrot/dynext.h"
 #include "pmc/pmc_parrotlibrary.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 
 /* HEADERIZER HFILE: include/parrot/runcore_api.h */

Modified: trunk/src/runcore/profiling.c
==============================================================================
--- trunk/src/runcore/profiling.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/runcore/profiling.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -26,7 +26,7 @@
 #include "profiling.str"
 
 #include "pmc/pmc_sub.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "pmc/pmc_namespace.h"
 
 #ifdef WIN32

Modified: trunk/src/runcore/trace.c
==============================================================================
--- trunk/src/runcore/trace.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/runcore/trace.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -26,7 +26,7 @@
 #include "parrot/runcore_trace.h"
 #include "parrot/oplib/ops.h"
 #include "pmc/pmc_sub.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/runcore_trace.h */
 

Modified: trunk/src/scheduler.c
==============================================================================
--- trunk/src/scheduler.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/scheduler.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -22,7 +22,7 @@
 #include "pmc/pmc_scheduler.h"
 #include "pmc/pmc_task.h"
 #include "pmc/pmc_timer.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 #include "scheduler.str"
 

Modified: trunk/src/sub.c
==============================================================================
--- trunk/src/sub.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/sub.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -23,7 +23,7 @@
 #include "sub.str"
 #include "pmc/pmc_sub.h"
 #include "pmc/pmc_continuation.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 /* HEADERIZER HFILE: include/parrot/sub.h */
 

Modified: trunk/src/warnings.c
==============================================================================
--- trunk/src/warnings.c	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/src/warnings.c	Sun Dec 20 12:30:38 2009	(r43175)
@@ -19,7 +19,7 @@
 
 #include "parrot/parrot.h"
 
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 
 #include <stdarg.h>
 

Modified: trunk/t/native_pbc/annotations.pbc
==============================================================================
Binary file (source and/or target). No diff available.

Modified: trunk/t/native_pbc/integer_1.pbc
==============================================================================
Binary file (source and/or target). No diff available.

Modified: trunk/t/native_pbc/number_1.pbc
==============================================================================
Binary file (source and/or target). No diff available.

Modified: trunk/t/native_pbc/string_1.pbc
==============================================================================
Binary file (source and/or target). No diff available.

Modified: trunk/t/op/cc_params.t
==============================================================================
--- trunk/t/op/cc_params.t	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/t/op/cc_params.t	Sun Dec 20 12:30:38 2009	(r43175)
@@ -32,7 +32,7 @@
 .sub call_sig_with_no_args
     .param pmc sig :call_sig
     $S0 = typeof sig
-    is('CallSignature', $S0)
+    is('CallContext', $S0)
     $I0 = elements sig
     is(0, $I0)
 .end
@@ -40,7 +40,7 @@
 .sub call_sig_with_positionals
     .param pmc sig :call_sig
     $S0 = typeof sig
-    is('CallSignature', $S0)
+    is('CallContext', $S0)
     $I0 = elements sig
     is(3, $I0)
     $I1 = sig[0]
@@ -54,7 +54,7 @@
 .sub call_sig_with_named
     .param pmc sig :call_sig
     $S0 = typeof sig
-    is('CallSignature', $S0)
+    is('CallContext', $S0)
     $I0 = elements sig
     is(0, $I0)
     $I1 = sig["x"]
@@ -74,7 +74,7 @@
 
     # Have call sig.
     $S0 = typeof sig
-    is('CallSignature', $S0)
+    is('CallContext', $S0)
 
     # First element is self.
     $P0 = sig[0]
@@ -95,7 +95,7 @@
 
     # Have call sig.
     $S0 = typeof sig
-    is('CallSignature', $S0)
+    is('CallContext', $S0)
 
     # First element is self.
     $P0 = sig[0]

Copied and modified: trunk/t/pmc/callcontext.t (from r43174, trunk/t/pmc/callsignature.t)
==============================================================================
--- trunk/t/pmc/callsignature.t	Sun Dec 20 09:49:36 2009	(r43174, copy source)
+++ trunk/t/pmc/callcontext.t	Sun Dec 20 12:30:38 2009	(r43175)
@@ -4,15 +4,15 @@
 
 =head1 NAME
 
-t/pmc/callsignature.t - test CallSignature PMC
+t/pmc/callcontext.t - test CallContext PMC
 
 =head1 SYNOPSIS
 
-    % prove t/pmc/callsignature.t
+    % prove t/pmc/callcontext.t
 
 =head1 DESCRIPTION
 
-Tests the CallSignature PMC.
+Tests the CallContext PMC.
 
 =cut
 
@@ -33,12 +33,12 @@
 .end
 
 .sub 'test_instantiate'
-    $P0 = new ['CallSignature']
-    ok(1, 'Instantiated CallSignature')
+    $P0 = new ['CallContext']
+    ok(1, 'Instantiated CallContext')
 .end
 
 .sub 'test_get_set_attrs'
-    $P0 = new ['CallSignature']
+    $P0 = new ['CallContext']
     $P5 = new 'String'
 
     $P5 = 'moonbomb'
@@ -55,7 +55,7 @@
 .end
 
 .sub 'test_push_pop_indexed_access'
-    $P0 = new [ 'CallSignature' ]
+    $P0 = new [ 'CallContext' ]
     $P1 = new [ 'Integer' ]
     $P1 = 100
 
@@ -94,7 +94,7 @@
 .end
 
 .sub 'test_shift_unshift_indexed_access'
-    $P0 = new [ 'CallSignature' ]
+    $P0 = new [ 'CallContext' ]
     $P1 = new [ 'Integer' ]
     $P1 = 100
 
@@ -134,7 +134,7 @@
 .end
 
 .sub 'test_indexed_access'
-    $P0    = new [ 'CallSignature' ]
+    $P0    = new [ 'CallContext' ]
     $P0[0] = 100
 
     $I0 = elements $P0
@@ -193,7 +193,7 @@
 .end
 
 .sub 'test_indexed_boxing'
-    $P0    = new [ 'CallSignature' ]
+    $P0    = new [ 'CallContext' ]
     $P0[0] = 100
     $P0[1] = 1.11
 
@@ -234,7 +234,7 @@
 .end
 
 .sub 'test_keyed_access'
-    $P0        = new [ 'CallSignature' ]
+    $P0        = new [ 'CallContext' ]
 
     $P0['foo'] = 100
     $P0['bar'] = 1.11
@@ -262,7 +262,7 @@
 .end
 
 .sub 'test_exists'
-    $P0        = new [ 'CallSignature' ]
+    $P0        = new [ 'CallContext' ]
 
     $P0[0]     = 111
     $P0['foo'] = 100
@@ -281,7 +281,7 @@
 .end
 
 .sub 'test_clone'
-    $P0 = new ['CallSignature']
+    $P0 = new ['CallContext']
     $P0[0] = 42
     $P0[1] = "Hello Parrot"
     $P0['floatval'] = 3.14159

Deleted: trunk/t/pmc/callsignature.t
==============================================================================
--- trunk/t/pmc/callsignature.t	Sun Dec 20 12:30:38 2009	(r43174)
+++ /dev/null	00:00:00 1970	(deleted)
@@ -1,303 +0,0 @@
-#! parrot
-# Copyright (C) 2006-2009, Parrot Foundation.
-# $Id$
-
-=head1 NAME
-
-t/pmc/callsignature.t - test CallSignature PMC
-
-=head1 SYNOPSIS
-
-    % prove t/pmc/callsignature.t
-
-=head1 DESCRIPTION
-
-Tests the CallSignature PMC.
-
-=cut
-
-.sub 'main' :main
-    .include 'test_more.pir'
-
-    plan(66)
-
-    test_instantiate()
-    test_get_set_attrs()
-    test_push_pop_indexed_access()
-    test_shift_unshift_indexed_access()
-    test_indexed_access()
-    test_indexed_boxing()
-    test_keyed_access()
-    test_exists()
-    test_clone()
-.end
-
-.sub 'test_instantiate'
-    $P0 = new ['CallSignature']
-    ok(1, 'Instantiated CallSignature')
-.end
-
-.sub 'test_get_set_attrs'
-    $P0 = new ['CallSignature']
-    $P5 = new 'String'
-
-    $P5 = 'moonbomb'
-    setattribute $P0, 'return_flags', $P5
-    ok(1, 'set return_flags attribute')
-    getattribute $P1, $P0, 'return_flags'
-    is($P5,'moonbomb', 'got return_flags attribute')
-
-    $P5 = 'cheese'
-    setattribute $P0, 'arg_flags', $P5
-    ok(1, 'set arg_flags attribute')
-    getattribute $P1, $P0, 'arg_flags'
-    is($P5,'cheese', 'got arg_flags attribute')
-.end
-
-.sub 'test_push_pop_indexed_access'
-    $P0 = new [ 'CallSignature' ]
-    $P1 = new [ 'Integer' ]
-    $P1 = 100
-
-    push $P0, $P1
-    $I0 = elements $P0
-    is( $I0, 1, 'elements after push' )
-
-    $P2 = $P0[0]
-    is( $P2, 100, 'push_pmc/get_pmc_keyed_int pair' )
-    $P2 = pop $P0
-    is( $P2, 100, 'push_pmc/pop_pmc pair' )
-
-    $I0 = elements $P0
-    is( $I0, 0, 'elements after pop' )
-
-    push $P0, 200
-    $I0 = $P0[0]
-    is( $I0, 200, 'push_integer/get_integer_keyed_int pair' )
-    $I0 = pop $P0
-    is( $I0, 200, 'push_integer/pop_integer pair' )
-
-    push $P0, 3.03
-    $N0 = $P0[0]
-    is( $N0, 3.03, 'push_number/get_number_keyed_int pair' )
-    $N0 = pop $P0
-    is( $N0, 3.03, 'push_number/pop_number pair' )
-
-    push $P0, 'hello'
-    $S0 = $P0[0]
-    is( $S0, 'hello', 'push_string/get_string_keyed_int pair' )
-    $S0 = pop $P0
-    is( $S0, 'hello', 'push_string/pop_string pair' )
-
-    $I0 = elements $P0
-    is( $I0, 0, 'elements after push/pop' )
-.end
-
-.sub 'test_shift_unshift_indexed_access'
-    $P0 = new [ 'CallSignature' ]
-    $P1 = new [ 'Integer' ]
-    $P1 = 100
-
-    unshift $P0, $P1
-
-    $I0 = elements $P0
-    is( $I0, 1, 'elements after unshift' )
-
-    $P2 = $P0[0]
-    is( $P2, 100, 'unshift_pmc/get_pmc_keyed_int pair' )
-    $P2 = shift $P0
-    is( $P2, 100, 'unshift_pmc/shift_pmc pair' )
-
-    $I0 = elements $P0
-    is( $I0, 0, 'elements after unshift/shift' )
-
-    unshift $P0, 200
-    $I0 = $P0[0]
-    is( $I0, 200, 'unshift_integer/get_integer_keyed_int pair' )
-    $I0 = shift $P0
-    is( $I0, 200, 'unshift_integer/shift_integer pair' )
-
-    unshift $P0, 3.03
-    $N0 = $P0[0]
-    is( $N0, 3.03, 'unshift_number/get_number_keyed_int pair' )
-    $N0 = shift $P0
-    is( $N0, 3.03, 'unshift_number/shift_number pair' )
-
-    unshift $P0, 'hello'
-    $S0 = $P0[0]
-    is( $S0, 'hello', 'unshift_string/get_string_keyed_int pair' )
-    $S0 = shift $P0
-    is( $S0, 'hello', 'unshift_string/shift_string pair' )
-
-    $I0 = elements $P0
-    is( $I0, 0, 'elements after unshift/shift' )
-.end
-
-.sub 'test_indexed_access'
-    $P0    = new [ 'CallSignature' ]
-    $P0[0] = 100
-
-    $I0 = elements $P0
-    is( $I0, 1, 'elements after set_*_indexed' )
-
-    $P0[1] = 1.11
-
-    $I0 = elements $P0
-    is( $I0, 2, 'elements after set_*_indexed' )
-
-    $S0    = '2.22'
-    $P0[2] = $S0
-
-    $I0 = elements $P0
-    is( $I0, 3, 'elements after set_*_indexed' )
-
-    $P1    = new [ 'Float' ]
-    $P1    = 3.33
-    $P0[3] = $P1
-
-    $I0 = elements $P0
-    is( $I0, 4, 'elements after set_*_indexed' )
-
-    $I1    = $P0[0]
-    is( $I1, 100, 'set_integer_keyed_int/get_integer_keyed_int pair' )
-
-    $N1    = $P0[1]
-    is( $N1, 1.11, 'set_number_keyed_int/get_number_keyed_int pair' )
-
-    $S1    = $P0[2]
-    is( $S1, '2.22', 'set_string_keyed_int/get_string_keyed_int pair' )
-
-    $P1    = $P0[3]
-    is( $P1, 3.33, 'set_pmc_keyed_int/get_pmc_keyed_int pair' )
-
-    $I1 = shift $P0
-    is( $I1, 100, 'set_integer_keyed_int/shift_integer pair' )
-
-    $N1 = $P0[0]
-    is( $N1, 1.11, 'shift_* should remove elements from array' )
-
-    $N1 = shift $P0
-    is( $N1, 1.11, 'set_number_keyed_int/shift_number pair' )
-
-    $S1 = $P0[0]
-    is( $S1, '2.22', 'shift_* should remove elements from array' )
-
-    $S1 = shift $P0
-    is( $S1, '2.22', 'set_string_keyed_int/shift_string pair' )
-
-    $P1 = $P0[0]
-    is( $P1, 3.33, 'shift_* should remove elements from array' )
-
-    $P1 = shift $P0
-    is( $P1, 3.33, 'set_pmc_keyed_int/shift_pmc pair' )
-.end
-
-.sub 'test_indexed_boxing'
-    $P0    = new [ 'CallSignature' ]
-    $P0[0] = 100
-    $P0[1] = 1.11
-
-    $S0    = '2.22'
-    $P0[2] = $S0
-
-    $P1    = new [ 'Float' ]
-    $P1    = 3.33
-    $P0[3] = $P1
-
-    $I0    = $P0[1]
-    is( $I0, 1, 'indexed float converted to int on get_integer_keyed_int' )
-    $I0    = $P0[2]
-    is( $I0, 2, 'indexed string converted to int on get_integer_keyed_int' )
-    $I0    = $P0[3]
-    is( $I0, 3, 'indexed PMC converted to int on get_integer_keyed_int' )
-
-    $N0    = $P0[0]
-    is( $N0, 100.0, 'indexed integer converted to num on get_number_keyed_int' )
-    $N0    = $P0[2]
-    is( $N0, 2.22,  'indexed string converted to num on get_number_keyed_int' )
-    $N0    = $P0[3]
-    is( $N0, 3.33,  'indexed PMC converted to int num get_number_keyed_int' )
-
-    $S0    = $P0[0]
-    is( $S0, '100',  'indexed int converted to string on get_string_keyed_int' )
-    $S0    = $P0[1]
-    is( $S0, '1.11', 'indexed num converted to string on get_string_keyed_int' )
-    $S0    = $P0[3]
-    is( $S0, '3.33', 'indexed PMC converted to string get_string_keyed_int' )
-
-    $P1    = $P0[0]
-    is( $P1, 100,  'indexed int converted to PMC on get_pmc_keyed_int' )
-    $P1    = $P0[1]
-    is( $P1, 1.11, 'indexed float converted to PMC on get_pmc_keyed_int' )
-    $P1    = $P0[2]
-    is( $P1, 2.22, 'indexed string converted to PMC on get_pmc_keyed_int' )
-.end
-
-.sub 'test_keyed_access'
-    $P0        = new [ 'CallSignature' ]
-
-    $P0['foo'] = 100
-    $P0['bar'] = 1.11
-    $P0['baz'] = '2.22'
-    $P1        = new [ 'Float' ]
-    $P1        = 3.33
-
-    $P0['qux'] = $P1
-
-    $I0 = $P0['foo']
-    is( $I0, 100, 'set/get_intval_keyed_str' )
-
-    $N0 = $P0['bar']
-    is( $N0, 1.11, 'set/get_number_keyed_str' )
-
-    $S0 = $P0['baz']
-    is( $S0, '2.22', 'set/get_string_keyed_str' )
-
-    $P2 = $P0['qux']
-    is( $P2, 3.33, 'set/get_pmc_keyed_str' )
-
-    $P1 = getattribute $P0, 'named'
-    $I0 = elements $P1
-    is( $I0, 4, 'elements after set_*_keyed' )
-.end
-
-.sub 'test_exists'
-    $P0        = new [ 'CallSignature' ]
-
-    $P0[0]     = 111
-    $P0['foo'] = 100
-
-    $I0 = exists $P0[0]
-    ok( $I0, 'exists_keyed_int' )
-
-    $I0 = exists $P0['foo']
-    ok( $I0, 'exists_keyed_str' )
-
-    $I0 = exists $P0[100]
-    nok( $I0, 'exists_keyed_int -- non-existant' )
-
-    $I0 = exists $P0['bar']
-    nok( $I0, 'exists_keyed_str -- non-existant' )
-.end
-
-.sub 'test_clone'
-    $P0 = new ['CallSignature']
-    $P0[0] = 42
-    $P0[1] = "Hello Parrot"
-    $P0['floatval'] = 3.14159
-
-    $P1 = clone $P0
-
-    $I2 = $P1[0]
-    is($I2, 42, 'clone - integer positional cloned')
-    $S2 = $P1[1]
-    is($S2, "Hello Parrot", 'clone - string positional cloned')
-    $N2 = $P1['floatval']
-    is($N2, 3.14159, 'clone - named number cloned')
-.end
-
-# Local Variables:
-#   mode: pir
-#   fill-column: 100
-# End:
-# vim: expandtab shiftwidth=4 ft=pir:

Modified: trunk/t/pmc/context.t
==============================================================================
--- trunk/t/pmc/context.t	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/t/pmc/context.t	Sun Dec 20 12:30:38 2009	(r43175)
@@ -4,7 +4,7 @@
 
 =head1 NAME
 
-t/pmc/context.t - test Context PMC
+t/pmc/context.t - test CallContext PMC
 
 =head1 SYNOPSIS
 
@@ -12,9 +12,9 @@
 
 =head1 DESCRIPTION
 
-Tests the Context PMC.
+Tests the CallContext PMC.
 
-TODO: Implement real tests when Context PMC will be migrated to use ATTRibutes.
+TODO: Implement real tests when CallContext PMC will be migrated to use ATTRibutes.
 
 =cut
 
@@ -36,9 +36,9 @@
 .end
 
 .sub 'test_new'
-    $P0 = new ['Context']
+    $P0 = new ['CallContext']
     sweep 1
-    ok(1, 'Instantiated .Context')
+    ok(1, 'Instantiated .CallContext')
 .end
 
 # Put test_inspect into Namespace, as method, with outer, etc.
@@ -59,41 +59,41 @@
     $P0 = getinterp
     ctx = $P0['context']
     $I0 = defined ctx
-    ok($I0, "Got Context")
+    ok($I0, "Got CallContext")
 
     # Check current_sub first. Other tests relying on it
     $P0 = getattribute ctx, 'current_sub'
-    is($P0, 'test_inspect', 'Got Context.current_sub')
+    is($P0, 'test_inspect', 'Got CallContext.current_sub')
 
     $P0 = getattribute ctx, 'caller_ctx'
-    $I0 = isa $P0, 'Context'
-    ok($I0, 'Got Context.caller_ctx')
+    $I0 = isa $P0, 'CallContext'
+    ok($I0, 'Got CallContext.caller_ctx')
     $P0 = getattribute $P0, 'current_sub'
     is($P0, 'main', '... from proper Sub')
 
     $P0 = getattribute ctx, 'outer_ctx'
-    $I0 = isa $P0, 'Context'
-    ok($I0, 'Got Context.outer_ctx')
+    $I0 = isa $P0, 'CallContext'
+    ok($I0, 'Got CallContext.outer_ctx')
     $P0 = getattribute $P0, 'current_sub'
     is($P0, 'load', '... from proper Sub')
 
     $P0 = getattribute ctx, 'lex_pad'
     $I0 = isa $P0, 'LexPad'
-    ok($I0, 'Got Context.lex_pad')
+    ok($I0, 'Got CallContext.lex_pad')
     $P1 = $P0['foo_ctx']
     $I0 = defined $P1
     ok($I0, '... with proper content')
 
     $P0 = getattribute ctx, 'current_cont'
     $I0 = isa $P0, 'Continuation'
-    ok($I0, 'Got Context.current_cont')
+    ok($I0, 'Got CallContext.current_cont')
 
     $P0 = getattribute ctx, 'current_object'
     $I0 = isa $P0, 'Foo'
-    ok($I0, 'Got Context.current_object')
+    ok($I0, 'Got CallContext.current_object')
 
     $P0 = getattribute ctx, 'current_namespace'
-    ok($P0, 'Got Context.current_namespace')
+    ok($P0, 'Got CallContext.current_namespace')
     $P1 = $P0['test_inspect']
     is($P1, 'test_inspect', '... with proper content')
 
@@ -107,7 +107,7 @@
     $P0 = getattribute ctx, 'handlers'
     $I1 = elements $P0
     dec $I1
-    is($I0, $I1, 'Got Context.handlers')
+    is($I0, $I1, 'Got CallContext.handlers')
 
     # Check absurd fields
     $I0 = 1
@@ -115,15 +115,15 @@
     $I0 = 0
   cought:
     pop_eh
-    ok($I0, "No world domination in this Context")
+    ok($I0, "No world domination in this CallContext")
 
     # Current HLL shouldn't be zero
     $P0 = getattribute ctx, 'current_HLL'
     $I0 = $P0
-    ok($I0, 'Got Context.current_HLL')
+    ok($I0, 'Got CallContext.current_HLL')
 
     $P0 = getattribute ctx, 'current_hll'
-    ok($P0, 'FOO', 'Got Context.current_hll')
+    ok($P0, 'FOO', 'Got CallContext.current_hll')
 
   done:
     pop_eh
@@ -136,7 +136,7 @@
     .local pmc bt
     bt = 'test_bt1'()
     $I0 = defined bt
-    ok($I0, "Got Context.backtrace()")
+    ok($I0, "Got CallContext.backtrace()")
 
     # We should have more than 3 elements
     $I0 = elements bt

Modified: trunk/t/pmc/parrotinterpreter.t
==============================================================================
--- trunk/t/pmc/parrotinterpreter.t	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/t/pmc/parrotinterpreter.t	Sun Dec 20 12:30:38 2009	(r43175)
@@ -93,7 +93,7 @@
     is($S0, 'bar', 'Got ParrotInterp.annotations')
 
     $P0 = interp['context';0]
-    $I0 = isa $P0, 'Context'
+    $I0 = isa $P0, 'CallContext'
     ok($I0, 'Got ParrotInterp.context')
     # Add more tests for Context. E.g. it is correct Context by inspecting it.
 

Modified: trunk/tools/build/nativecall.pl
==============================================================================
--- trunk/tools/build/nativecall.pl	Sun Dec 20 09:49:36 2009	(r43174)
+++ trunk/tools/build/nativecall.pl	Sun Dec 20 12:30:38 2009	(r43175)
@@ -224,7 +224,7 @@
 #include "pmc/pmc_managedstruct.h"
 #include "pmc/pmc_nci.h"
 #include "pmc/pmc_pointer.h"
-#include "pmc/pmc_context.h"
+#include "pmc/pmc_callcontext.h"
 #include "nci.str"
 
 /* HEADERIZER HFILE: none */


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